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Artykuły w czasopismach na temat „Price spike”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Adline, Bikeri, and Kazushi Ikeda. "A Hawkes Model Approach to Modeling Price Spikes in the Japanese Electricity Market." Energies 16, no. 4 (2023): 1570. http://dx.doi.org/10.3390/en16041570.

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The Japan Electric Power Exchange (JEPX) provides a platform for the trading of electric energy in a manner similar to more traditional financial markets. As the number of market agents increase, there is an increasing need for effective price-forecasting models. Electricity price data are observed to exhibit periods of relatively stable, i.e., low-magnitude, low-variance prices interspersed with periods of higher prices accompanied by larger uncertainty. The price data time series therefore exhibits a temporal non-stationarity characteristic that is difficult to capture with typical time seri

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Manfre Jaimes, Daniel, Manuel Zamudio López, Hamidreza Zareipour, and Mike Quashie. "A Hybrid Model for Multi-Day-Ahead Electricity Price Forecasting considering Price Spikes." Forecasting 5, no. 3 (2023): 499–521. http://dx.doi.org/10.3390/forecast5030028.

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This paper proposes a new hybrid model to forecast electricity market prices up to four days ahead. The components of the proposed model are combined in two dimensions. First, on the “vertical” dimension, long short-term memory (LSTM) neural networks and extreme gradient boosting (XGBoost) models are stacked up to produce supplementary price forecasts. The final forecasts are then picked depending on how the predictions compare to a price spike threshold. On the “horizontal” dimension, five models are designed to extend the forecasting horizon to four days. This is an important requirement to

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Zamudio López, Manuel, Hamidreza Zareipour, and Mike Quashie. "Forecasting the Occurrence of Electricity Price Spikes: A Statistical-Economic Investigation Study." Forecasting 6, no. 1 (2024): 115–37. http://dx.doi.org/10.3390/forecast6010007.

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This research proposes an investigative experiment employing binary classification for short-term electricity price spike forecasting. Numerical definitions for price spikes are derived from economic and statistical thresholds. The predictive task employs two tree-based machine learning classifiers and a deterministic point forecaster; a statistical regression model. Hyperparameters for the tree-based classifiers are optimized for statistical performance based on recall, precision, and F1-score. The deterministic forecaster is adapted from the literature on electricity price forecasting for th

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4

Marwan, Marwan, and Pirman Pirman. "Mitigating Electricity a Price Spike under Pre-Cooling Method." International Journal of Electrical and Computer Engineering (IJECE) 6, no. 3 (2016): 1281. http://dx.doi.org/10.11591/ijece.v6i3.9597.

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The growing demand for air-conditioning is one of the largest contributors to Australia overall electricity consumption. This has started to create peak load supply problems for some electricity utilities particularly in Queensland. This research aimed to develop a consumer demand side response model to assist electricity consumers to mitigate peak demand on the electrical network. The proposed model allows consumers to independently and proactively manage air conditioning peak electricity demand. The main contribution of this research is how to show consumers can mitigate peak demands by opti

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Marwan, Marwan, and Pirman Pirman. "Mitigating Electricity a Price Spike under Pre-Cooling Method." International Journal of Electrical and Computer Engineering (IJECE) 6, no. 3 (2016): 1281. http://dx.doi.org/10.11591/ijece.v6i3.pp1281-1293.

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The growing demand for air-conditioning is one of the largest contributors to Australia overall electricity consumption. This has started to create peak load supply problems for some electricity utilities particularly in Queensland. This research aimed to develop a consumer demand side response model to assist electricity consumers to mitigate peak demand on the electrical network. The proposed model allows consumers to independently and proactively manage air conditioning peak electricity demand. The main contribution of this research is how to show consumers can mitigate peak demands by opti

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6

Li, Kun, Joseph Cursio, and Yunchuan Sun. "Principal Component Analysis of Price Fluctuation in the Smart Grid Electricity Market." Sustainability 10, no. 11 (2018): 4019. http://dx.doi.org/10.3390/su10114019.

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Large price fluctuations have become a significant character and impede resource allocation in the electricity market. Negative prices and peak load spike prices coexist and represent over-supply and over-demand, respectively. It is important to interpret the impact of these extreme prices on sustainable power management from the perspective of economics. In this paper, we build a principal component analysis (PCA) to assess the impact of the two opposite phenomena on the smart grid electricity system. We perform a big-data study using intra-day data from the Pennsylvania, New Jersey, and Mary

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7

Ditasari, Prilia, Embay Rohaeti, and Isti Kamila. "Aplikasi Geometric Brownian Motion dengan Jump Diffusion dalam Memprediksi Harga Saham Liquid Quality 45." Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi 10, no. 1 (2022): 111–19. http://dx.doi.org/10.34312/euler.v10i1.14655.

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At the beginning of 2021, stock LQ45 experienced a significant spike in stock prices, making the stock price difficult to predict and the profits obtained by investors uncertain. The purpose of this study is to predict the stock price of LQ45 using the Geometric Brownian Motion model with Jump Diffusion and determine investment by comparing the expected return and return of stock price prediction results. This study uses a Geometric Brownian Motion model with Jump Diffusion to predict stock prices because it can predict when stock prices experience price spikes and fluctuations. Based on the r

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8

Bajai, Mátyás, Attila A. Víg, and Olivér Hortay. "Electricity Market Liquidity and Price Spikes: Evidence from Hungary." Periodica Polytechnica Social and Management Sciences 30, no. 1 (2022): 49–56. http://dx.doi.org/10.3311/ppso.16857.

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This article examines how electricity market liquidity, renewable production and cross-border activity together in combination explain price spikes in the Hungarian Power Exchange day-ahead auctions. In the applied logit model, the dependent variable representing the price spike is binary, and the key explanatory variable is a modified bid-ask spread depicting liquidity. Weather-dependent renewable production and the difference between exports and imports appear as control variables in the model. The empirical analysis was based on data from 2017 and 2018. The results show that the control var

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9

Nilsen, Øivind A., Per Marius Pettersen, and Joakim Bratlie. "Time-Dependency in Producers’ Price Adjustments: Evidence from Micro Panel Data." Review of Economics 69, no. 2 (2018): 147–68. http://dx.doi.org/10.1515/roe-2018-0012.

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Abstract Existing micro evidence of firms’ price changes tends to show a downward sloping hazard rate – the longer the price of a product has remained the same, the less likely it is that the price will change. Using a panel of Norwegian plant- and product-specific prices, we also find a downward sloping hazard when applying a Kaplan–Meier model. After having controlled for both observed and unobserved characteristics, we find flat hazards with spikes in the first and twelfth months. This suggests time-dependent price-setting by at least some of the producers. The spike after 12 months might b

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10

Nesti, T., J. Moriarty, A. Zocca, and B. Zwart. "Large fluctuations in locational marginal prices." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 379, no. 2202 (2021): 20190438. http://dx.doi.org/10.1098/rsta.2019.0438.

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This paper investigates large fluctuations of locational marginal prices (LMPs) in wholesale energy markets caused by volatile renewable generation profiles. Specifically, we study events of the form P ( LMP ∉ ∏ i = 1 n [ α i − , α i + ] ) , where LMP is the vector of LMPs at the n power grid nodes, and α − , α + ∈ R n are vectors of price thresholds specifying undesirable price occurrences. By exploiting the structure of the supply–demand matching mechanism in power grids, we look at LMPs as deterministic piecewise affine, possibly discontinuous functions of the stochastic input process, mode

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11

SMITH, JENNIE. "Makena Price Spike Causes Anger, Fear." Ob.Gyn. News 46, no. 4 (2011): 1–4. http://dx.doi.org/10.1016/s0029-7437(11)70103-3.

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Junaedi, Junaedi. "INDONESIA IS THE BIGGEST GRANT OF OIL PALM CRUDE PALM OIL (CPO) IN THE WORLD BUT FACING THE PROBLEM OF OIL SCARCITY SURPRISE COOKING OIL PRICES." International Journal of Social Science 2, no. 4 (2022): 1779–90. http://dx.doi.org/10.53625/ijss.v2i4.4137.

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Indonesia is a granary for palm oil, so being the largest producer of crude palm oil (CPO) in the world, it is still faced with the problem of oil scarcity, so that cooking oil prices spike. Indonesia Is A Palm Oil Barn, So Being The Largest Producer Of Crude Palm Oil (CPO) In The World Still Faced With The Problem Of Oil Scarcity Surge In Cooking Oil Prices, The purpose of this study is expected to be able to study and analyze Indonesia is a Palm Oil Barn, so that it becomes the Largest Producer of Crude Palm Oil (CPO) The world is still faced with the problem of oil scarcity, cooking oil pri

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13

NG, WEIWEN. "OIL PRICE VOLATILITY AND THE SINGAPORE MACROECONOMY." Singapore Economic Review 57, no. 03 (2012): 1250022. http://dx.doi.org/10.1142/s0217590812500221.

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We construct a realized volatility measure, using prices of daily West Texas Intermediate (WTI) crude oil futures and illustrate the robustness of this oil price volatility–macroeconomy relationship under a multivariate co-integrated vector autoregressive (VAR) model. Empirical results suggest that a spike in oil price volatility leads to investments and aggregate output to decline and inflation to rise over the period from 1983Q2 to 2009Q2. Furthermore, the gradual decline of Singapore's oil intensity signals a weakening relationship between oil price and the macroeconomy that supports our em

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14

KIRANJEET KAUR DHATT and SHALINI JHANJI. "Evaluating gladiolus varieties for off-season planting using agro-meteorological indices." Journal of Agrometeorology 23, no. 1 (2021): 46–53. http://dx.doi.org/10.54386/jam.v23i1.87.

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Commercial floriculture is an emerging profitable agro industry in the world with great demand of cut flowers but with a constraint to regulate the supply for longer duration in the markets. The off-season plucked flowers get better price, as glut during peak season affects the profits. This could be achieved by cultivating varieties over a wide range of planting times which demands evaluation of varietal performance under different sowing windows. The present study was conducted with five gladiolus varieties viz. Punjab glance, Punjab lemon delight, Novalux, Rose supreme and Alexander the gre

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15

Shaffitri, Lidya R., Esty A. Suryana, and Julia F. Sinuraya. "Market integration and rice price transmission in Indonesia." BIO Web of Conferences 119 (2024): 02007. http://dx.doi.org/10.1051/bioconf/202411902007.

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Rice is a strategic commodity in Indonesia. Prices at the producer level fluctuate relatively due to shifts in supply and demand. These fluctuations make government intervention in stabilising rice prices important, mainly if market integration exists. This study aims to analyse market integration and rice price transmission. The Vector Error Correction Model (VECM) and descriptive analysis methods were used. The results show rice market integration in both the long and short term. Long-term integration occurs in the relationship between prices at the producer and consumer levels. Long-term in

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16

Adetya, Aulia, and Ilham Fajar Sidqi. "Strategi Kebijakan untuk Mendukung Stabilitas Harga Bawang Merah." Policy Brief Pertanian, Kelautan, dan Biosains Tropika 6, no. 3 (2024): 1026–31. https://doi.org/10.29244/agro-maritim.0603.1026-1031.

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Shallots are one of the main agricultural crops that have the potential to significantly contribute to horticultural production and influence inflation. Shallots hold high economic value, making an important contribution to Gross Domestic Product (GDP). Additionally, they serve as a source of income for farmers and have the potential to earn foreign exchange. However, the distribution of shallots faces many challenges, including the imbalance between production centers and consumer areas, as well as the prolonged involvement of intermediaries in the supply chain. To ensure price stability for

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17

Zhao, J. H., Z. Y. Dong, and X. Li. "Electricity market price spike forecasting and decision making." IET Generation, Transmission & Distribution 1, no. 4 (2007): 647. http://dx.doi.org/10.1049/iet-gtd:20060217.

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18

Savitri, Dini Eka Nurul, Dyah Sawitri, and Kohar Adi Setia. "INFLUENCE OF THE IMPLEMENTATION OF THE MINISTER OF TRADE'S REGULATORY POLICY NUMBER 6 OF 2022 AND STABILITY OF COOKING OIL PRICES AGAINST MSME INCOME BY MEDIATING MARKET OPERATIONS IN MOJOKERTO CITY." International Journal of Multidisciplinary Research and Literature 3, no. 4 (2024): 417–22. https://doi.org/10.53067/ijomral.v3i4.238.

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Cooking oil is one of the necessities whose price is currently experiencing a spike, including in the Mojokerto City area. This price spike certainly affects people's income, especially in Micro, Small and Medium Enterprises (UMKM). To overcome this, the Mojokerto City Diskopukmperindag held Cooking Oil Market Operations at least nine times over the last four months. However, prices are still not stable. Therefore, this research was conducted to determine the effect of implementing Minister of Trade Regulation No. 6 of 2022 on the stability of cooking oil prices in Mojokerto City and the incom

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19

Gayatri, I. G. Ag, Sasih, Saortua Marbun, and Kristina Liuk Berek. "PENGARUH HARGA TERHADAP PENAWARAN DAN PERMINTAAN MASKER SAAT PANDEMI COVID-19 DI DENPASAR BALI." Journal Research of Management 3, no. 1 (2021): 57–65. http://dx.doi.org/10.51713/jarma.v3i1.60.

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Masks have become a basic need for everyone in pandemic. This causes people to compete to buy masks. This resulted in an extreme spike in mask prices. The demand for masks has soared, resulting in a shortage of these products. The purpose of this study was to determine the effect of price on supply and demand in the midst of the Covid-19 Pandemic in Denpasar City. This study used a sample of 200 respondents consisting of 100 traders and 100 buyers. Data were obtained by distributing questionnaires using a Likert scale. The method of analysis used is multiple linear regression. Based on the ana

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20

Cheung, Ka Shing, Chung Yim Yiu, and Chuyi Xiong. "Housing Market in the Time of Pandemic: A Price Gradient Analysis from the COVID-19 Epicentre in China." Journal of Risk and Financial Management 14, no. 3 (2021): 108. http://dx.doi.org/10.3390/jrfm14030108.

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While the outbreak of the COVID-19 disease has caused asset markets to experience an unprecedented spike of risk and uncertainty worldwide, the real estate market in many global cities appears to be immune to the adverse effects. How does COVID-19 affect urban housing markets? This study is a first attempt to identify the pandemic’s impact on house prices by applying a price gradient analysis to the COVID-19 epicentre in China. Considering microlevel housing transaction data in 62 areas from nine districts in Wuhan City from January 2019 to July 2020, the hedonic pricing and the price gradient

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21

Rose, Judah L. "Why the June Price Spike Was Not a Fluke." Electricity Journal 11, no. 9 (1998): 65–70. http://dx.doi.org/10.1016/s1040-6190(98)00095-5.

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LU, X., Z. DONG, and X. LI. "Electricity market price spike forecast with data mining techniques." Electric Power Systems Research 73, no. 1 (2005): 19–29. http://dx.doi.org/10.1016/s0378-7796(04)00125-7.

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Zhang, Yufan, Honglin Wen, Tao Feng, and Yize Chen. "Efficient demand response location targeting for price spike mitigation by exploiting price-demand relationship." Applied Energy 376 (December 2024): 124141. http://dx.doi.org/10.1016/j.apenergy.2024.124141.

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Rassi, Samin, and Takashi Kanamura. "Electricity price spike formation and LNG prices effect under gross bidding scheme in JEPX." Energy Policy 177 (June 2023): 113552. http://dx.doi.org/10.1016/j.enpol.2023.113552.

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Muhammad, Andrew, Lihong McPhail, and James Kiawu. "Do U.S. Cotton Subsidies Affect Competing Exporters? An Analysis of Import Demand in China." Journal of Agricultural and Applied Economics 44, no. 2 (2012): 235–49. http://dx.doi.org/10.1017/s1074070800000298.

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We estimate the demand for imported cotton in China and assess the competitiveness of cotton-exporting countries. Given the assertion that developing countries are negatively affected by U.S. cotton subsidies, our focus is the price competition between the United States and competing exporters (Benin, Burkina Faso, Chad, Mali, India, and Uzbekistan). We further project how U.S. programs affect China's imports by country. Results indicate that if U.S. subsidies make other exporting countries worse off, this effect is lessened when global prices respond accordingly. If subsidies are eliminated,

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Juozapavičienė, Aldona, and Viktorija Bobinaitė. "Analysis of Features of Power Market Price: Lithuanian Case." Business: Theory and Practice 13, no. (2) (2012): 122–31. https://doi.org/10.3846/btp.2012.13.

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Generalized world experience and summary of scientific literature on the issue of power market price features have been presented in the paper; indicators for evaluation of these features have been offered as well and the analysis of price characteristics in Lithuanian power exchange has been performed. The following methods have been employed – scientific literature analysis and generalization and statistical analysis methods. The main features of power market price and factors influencing them have been determined in the theoretical part of the paper. Indicators which enable to evaluate the

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27

Kuteya, AK, and NJ Sitko. "Creating scarcity from abundance: bumper harvests, high prices, and the role of state interventions in zambian maize markets." African Journal of Food, Agriculture, Nutrition and Development 15, no. 71 (2015): 10272–89. http://dx.doi.org/10.18697/ajfand.71.13995.

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In 2012/13 Zambia experienced a significant spike in maize meal prices, which coincided with three consecutive years (2010 - 2012) of record maize surpluses. This seemingly paradoxical price spike occurred in the wake of a dramatic escalation of the Government’s Food Reserve Agency (FRA ) interventions in the market, with the FRA purchasing approximately 80% of the available surplus during these surplus production years. Using a case study approach, this article explores Zambia’s maize price spikes amidst years of bumper harvests. The study findings reveal that maize procurement and marketing

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Cici, Gjergji, Alexander Kempf, and Alexander Puetz. "The Valuation of Hedge Funds’ Equity Positions." Journal of Financial and Quantitative Analysis 51, no. 3 (2016): 1013–37. http://dx.doi.org/10.1017/s0022109016000351.

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AbstractWe provide evidence on the valuation of equity positions by hedge funds. Reported valuations deviate from standard valuations based on closing prices from the Center for Research in Security Prices for roughly 7% of the positions. These equity valuation deviations are positively related to illiquidity and price volatility of the underlying stocks. They respond to past performance and intensify after an advisor starts reporting to a commercial database. Furthermore, advisors with more valuation deviations show a stronger discontinuity in their reported returns around 0, manage a higher

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Marwan, Marwan, Gerard Ledwich, and Arindam Ghosh. "Demand-side response model to avoid spike of electricity price." Journal of Process Control 24, no. 6 (2014): 782–89. http://dx.doi.org/10.1016/j.jprocont.2014.01.009.

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Samudio-Carter, Cristóbal, Alberto Vargas, Ricardo Albarracín-Sánchez, and Jeremy Lin. "Mitigation of price spike in unit commitment: A probabilistic approach." Energy Economics 80 (May 2019): 1041–49. http://dx.doi.org/10.1016/j.eneco.2019.01.029.

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Kim, So-Eun, Kyupil Yeon, and Sang-Tae Han. "A New Paradigm for IPO Price Evaluation:A Statistical Approach Incorporating Market Regime Shifts." Academic Society of Global Business Administration 22, no. 3 (2025): 68–82. https://doi.org/10.38115/asgba.2025.22.3.68.

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This study evaluates IPO offer prices for 53 general electrical and electronic firms (out of 351) newly listed on KOSDAQ between September 2019 to December 2024, and compares the results with conventional methods. Prior research typically used a fixed closing-price benchmark (e.g., listing day or 20 days later), which cannot capture dynamic market shifts. In this research, we crawled KOSDAQ market-capitalization data and ran independent two-sample t-test to identify seven statistically significant market regimes, using Python and R programming languages. We then assessed IPO price appropriaten

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Unger, Stephan. "The Volume-Price Relationship at the High-Frequency Scale: Evidence From DCC-GARCH." Journal of Prediction Markets 12, no. 3 (2019): 23–39. http://dx.doi.org/10.5750/jpm.v12i3.1592.

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This article investigates the time-varying high-frequency price-volume relationship from two perspectives. At the high-frequency time scale, we show that the time varying conditional correlation between price and volume changes exhibits distinct excitational spike regimes that provide a rich set of patterns unexplored before. Impulse response analysis based on a high-frequency Vector-autoregressive specification show that volume has greater impact on price than vice versa. Our results therefore suggests that volume can be seen as a proxy for information flows. Due to market micro-structure con

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Gao, Kelan. "Analysis of the hedge functions of Bitcoin, Gold, and their Portfolios - Based on global events." BCP Business & Management 38 (March 2, 2023): 79–91. http://dx.doi.org/10.54691/bcpbm.v38i.3673.

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The global current situation continues to be turbulent. International crises like the Covid-19 epidemic and the continuing Russian-Ukrainian war have thrown the global economy for a loop. As a result, global economic policy uncertainty has spiked due to the resulting spike in energy prices and economic disruptions. During the outbreak of Covid-19, prices of bitcoin (BTC) have moved higher, but its hedging effect is weakening. Also, combined with rising global inflation expectations and the constant rate hikes by central banks against inflation, bitcoin's hedging effectiveness is waning due to

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Etienne, Xiaoli Liao, Scott H. Irwin, and Philip Garcia. "$25 spring wheat was a bubble, right?" Agricultural Finance Review 75, no. 1 (2015): 114–32. http://dx.doi.org/10.1108/afr-12-2014-0042.

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Purpose – The purpose of this paper is to test for bubbles in the US hard red spring (HRS) wheat market from 2004 to 2014, with particular focus on 2007-2008 when the market experienced record-high price volatility. Design/methodology/approach – The authors apply a recently developed bubble testing procedure to cash, rolling nearby futures contract, and individual futures contract prices of HRS wheat sampled at daily, weekly, and monthly frequencies. Two critical value (CV) sequences are derived to date-stamp bubbles, one from Monte Carlo simulations, and the other from recursive wild bootstra

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Voronin, Sergey, and Jarmo Partanen. "Price Forecasting in the Day-Ahead Energy Market by an Iterative Method with Separate Normal Price and Price Spike Frameworks." Energies 6, no. 11 (2013): 5897–920. http://dx.doi.org/10.3390/en6115897.

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Kim, Yoochan, Apurna Ghosh, Erkan Topal, and Ping Chang. "Performance of different models in iron ore price prediction during the time of commodity price spike." Resources Policy 80 (January 2023): 103237. http://dx.doi.org/10.1016/j.resourpol.2022.103237.

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Klüppelberg, Claudia, Thilo Meyer-Brandis, and Andrea Schmidt. "Electricity spot price modelling with a view towards extreme spike risk." Quantitative Finance 10, no. 9 (2010): 963–74. http://dx.doi.org/10.1080/14697680903150496.

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Ackerman, Frank, and Kevin Gallagher. "Mixed signals: market incentives, recycling, and the price spike of 1995." Resources, Conservation and Recycling 35, no. 4 (2002): 275–95. http://dx.doi.org/10.1016/s0921-3449(02)00008-3.

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Adams, Reg. "Conference delegates discuss long-term consequences of the TiO2 price spike." Focus on Pigments 2013, no. 11 (2013): 1–4. http://dx.doi.org/10.1016/s0969-6210(13)70141-3.

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Trejo-Pech, Carlos Omar, and Susan White. "Cal-Maine Foods, Inc.: stock price estimation in the midst of pandemic." International Food and Agribusiness Management Review 24, no. 5 (2021): 887–900. http://dx.doi.org/10.22434/ifamr2020.0182.

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This case concerns an analyst’s task to value Cal-Maine Foods, Inc., the largest and only publicly traded U.S. egg production firm. The case takes place in 2020, at the time of the Covid-19 pandemic. Historically volatile egg prices were even more volatile in April 2020, with a large spike in prices that led the state of Texas to sue the firm for price gouging. Added to this, Cal-Maine had an unexpectedly bad earnings report a few months earlier, and prior to that, the firm cut its dividend. How should the analyst incorporate these shocks – or should they be included at all? How can the analys

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Hu, Weiliang. "Meaning and Process of Value Investing." Highlights in Business, Economics and Management 1 (November 28, 2022): 207–13. http://dx.doi.org/10.54097/hbem.v1i.2564.

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The research focuses on the evolution of a certain company's stock price time series. The purpose of this study is to measure and evaluate the growth in Apple Inc. stock prices using a time series approach. Data is provided on a daily basis from January 2020 to July 2022. According to the statistics, Apple stock prices climbed progressively from 2020 to 2022. The most prevalent reason for a spike in stock prices is the introduction of a new product or service to the worldwide market. On the other hand, the cause of the stock price decrease is consumer unhappiness, an excess of demand over supp

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Hernaningsih, Fery. "Lebaran Inflation and Adaptation of MSMEs Economy: Case Study in the Culinary Sector." Ilmu Ekonomi Manajemen dan Akuntansi 6, no. 1 (2025): 42–54. https://doi.org/10.37012/ileka.v6i1.2601.

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Lebaran is one of the annual moments that has a major impact on the economy, especially for the culinary MSME sector. The surge in demand is often accompanied by an increase in the price of raw materials which causes seasonal inflation. Seasonal inflation that occurs during the Lebaran period has a significant impact on the micro, small, and medium enterprises (MSMEs) sector, especially in the culinary sector. In the Jl. Antene IV Housing, Radio Dalam, South Jakarta, approaching the time to break the fast, many small business actors sell various foods and drinks for breaking the fast, such as

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Zhao, Jun Hua, Zhao Yang Dong, Xue Li, and Kit Po Wong. "A Framework for Electricity Price Spike Analysis With Advanced Data Mining Methods." IEEE Transactions on Power Systems 22, no. 1 (2007): 376–85. http://dx.doi.org/10.1109/tpwrs.2006.889139.

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Dwi Atmaja, Tinton, Ant Ardath Kristi, Agus Risdiyanto, et al. "Fuel Saving on Diesel Genset using PV/Battery Spike Cutting in Remote Area Microgrid." MATEC Web of Conferences 164 (2018): 01045. http://dx.doi.org/10.1051/matecconf/201816401045.

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Diesel Generator set was found to be a favorite power generator in a remote area. In this area, diesel genset usually consumes a significant amount of diesel fuel with higher fuel price than an urban area. Diesel Generator capacity conventionally prepared twice bigger or more than the existing load to prevent any load spike from designated equipment. This work implements an Energy Management System to cut the spike with the support from battery storage unit and photovoltaic module. Once the Energy Management System cut the load spike using battery/photovoltaics, Diesel Generator loads no longe

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Siregar, Johannes Kristian. "VALUATION ANALYSIS OF STOCK VALUE OF PULP & PAPER INDUSTRY COMPANIES USING DISCOUNTED CASH FLOW VALUATION AND RELATIVE VALUATION METHODS FOR DECISION MAKING FOR THE 2015-2019 PERIOD." In Search 20, no. 2 (2021): 131–52. http://dx.doi.org/10.37278/insearch.v20i2.427.

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This study aims to determine how much the intrinsic value of PT. Indah Kiat Pulp & Paper Tbk. (INKP), Tjiwi Kimia Paper Factory Tbk. (TKIM) and Fajar Surya Wisesa Tbk. (FASW) listed on the IDX in 2015-2019 where the stock valuation is calculated using the Dividend Discount Model, Free Cashflow to Equity and Price Book Value methods to determine whether the company's stock is undervalued or overvalued, making the right decisions for potential investors based on value. intrinsic value and knowing which method is the most accurate. The sample in this study were three companies that had comple

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Omosehin, Olanrewaju, Babatunde Ekundayo, Oluyede Aturamu, and Adewale Olutumise. "Price variation and transmission in beans consuming market of Southwest, Nigeria." Jurnal Perspektif Pembiayaan dan Pembangunan Daerah 8, no. 6 (2021): 609–18. http://dx.doi.org/10.22437/ppd.v8i6.10870.

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Nigeria's bean market is still characterized by inefficient and weak integration due to inadequate price information and market infrastructure. Therefore, the study investigates the price variation and transmission of beans markets in Nigeria's Southwest region. The study employed an average monthly price of white and brown beans in rural and urban markets spanning March 2014 to July 2019. Coefficient of variation (CV), Augmented Dickey-Fuller (ADF), Johansen co-integration test and Granger-Causality tests were the analytical tools used for the analysis. The results of CV indicated a spike var

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Miguel, Jiménez-Gómez, and Acevedo-Prins Natalia. "Evaluation of wind park tax incentives in Colombia by means of real options." Indonesian Journal of Electrical Engineering and Computer Science (IJEECS) 19, no. 1 (2020): 459–65. https://doi.org/10.11591/ijeecs.v19.i1.pp459-465.

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The objective of this study is to assess tax incentives in Colombia to foster investment in wind parks. Fiscal incentives seek to diversify energy consumption with non-conventional renewable energy sources, since power is mostly generated by hydraulic force and since its price is impacted during dry seasons. The price of energy is modeled according to a regression toward the mean. This stochastic process was chosen because during droughts in Colombia there are price increases, which then return to their average value. This is an upward and downward spike behavior, as well as a regression towar

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Neuhauser, Kenneth, and Kristopher Neuhauser. "Magnetometer Surveys: Attempts and Issues in Locating a 1948 Private Water Well on the Shore of Lac Sault Dore, Price County, Wisconsin." Compass: Earth Science Journal of Sigma Gamma Epsilon 86, no. 3 (2014): 72–79. http://dx.doi.org/10.62879/c26163123.

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Two different magnetometer surveys in northern Wisconsin during the summers of 1997 and 2010, using two different Geometrics magnetometers, a proton precession G-816 unit and a cesium vapor G-858 unit, in an attempt to locate a surface-target position of, and depth to, an abandoned 1948 private water well, successfully targeted the suspect surface position and the depth to the well head spike. Both surveys detected 400-gamma anomalies and estimated the depth to the spike at 2 meters. A land owner, private family photograph taken in 1951, was used to compare the anomaly’s position to the actual

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Aliman, Muhamad, Agus Nurkholiq, Sri Utami, et al. "The Practice of Buying and Selling Betta Fish from Contest Results: An Analysis of Islamic Law Perspective in Majasetra Village." International Journal of Advanced Technology and Social Sciences 3, no. 5 (2025): 785–92. https://doi.org/10.59890/ijatss.v3i5.34.

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This study aims to analyze the practice of buying and selling betta fish from contests in Majasetra Village, Majalaya District from an Islamic law perspective. This phenomenon is characterized by a spike in fish prices based on winning contests, which leads to unreasonable transactions and potentially contains elements of gharar (unclarity) and speculation. The research method used is qualitative with a case study approach through observation, interviews, and documentation. The results of the study indicate that although ornamental fish trading is permitted, the practice of determining prices

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ABAD, PRAKASH L. "QUANTITY RESTRICTIONS AND THE RESELLER'S RESPONSE TO A TEMPORARY PRICE REDUCTION OR AN ANNOUNCED PRICE INCREASE." Asia-Pacific Journal of Operational Research 23, no. 01 (2006): 1–23. http://dx.doi.org/10.1142/s021759590600084x.

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Manufacturers and suppliers offer temporary reductions (or permanent increases) in the price charged to the resellers for a variety of reasons. The trade promotion may be offered to the reseller at a single point in time or over a finite time-span. In addition, in reselling situations, the end demand tends to be sensitive to selling price. It is commonly found that under such trade promotion (or in stockpiling to an announced price increase), not all the quantity purchased by the reseller at discount may be passed on to the final consumer at a reduced selling price. In fact, previous studies h

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