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      • Open Access Article

        1 - Investigate costs stickiness in economic prosperity and recession cycles
        Mehdi Baharmoghaddam Sasan Khademi
        Unlike the traditional cost system which basically focuses on symmetric cost behaviors with respect to change in level of activity, a good deal of recent research show asymmetric behavior of various costs. asymmetric cost behavior might differ in various respects such a More
        Unlike the traditional cost system which basically focuses on symmetric cost behaviors with respect to change in level of activity, a good deal of recent research show asymmetric behavior of various costs. asymmetric cost behavior might differ in various respects such as stickiness and anti-stickiness, the degree and intensity of it in different business cycles including prosperity, recession or economic crisis. this study aims to investigate asymmetric behaviors of selling, general and administrative costs (SG&A) and cost of good sold (COGS) during 2001 and 2014. It also investigates cost behavior with respect to their stickiness and anti-stickiness separately in each prosperity and recession cycles in the mentioned period. For this purpose, data gathered in the form of combined firm-year observation from 189 firms listed in Tehran stock exchange has been examined in the period studied, as well as prosperity and recession cycles by multiple regression test. The results reveal that behavior of mentioned costs is asymmetric in the whole period. Also findings of this study highlighted that prosperity and recession cycles do not affect managers᾿ perspectives, therefore, SG&A in all cycles including prosperity and recession cycles is sticky and COGS is approximately anti-Sticky in all cycles. Manuscript profile
      • Open Access Article

        2 - Redefinition of the Relation between Energy Consumption and Economic Growth in Iran: Markov Switching Approach
        A. M. Mozayani A. Esari Arani B. Afsharian A. Rasouli
        Abstract The purpose of this study is finding the relationship between energy consumption and economic growth in the industry and transport sector in developed and developing provinces in Iran through Markov switching model during 2000-2010. The results indicate a posi More
        Abstract The purpose of this study is finding the relationship between energy consumption and economic growth in the industry and transport sector in developed and developing provinces in Iran through Markov switching model during 2000-2010. The results indicate a positive effect of energy consumption growth on value added growth in industry and transportation both in developed and developing provinces. But, the positive effect of energy consumption will be increased by moving from recession to economic boom phrase. The results imply that the relation between energy consumption and economic growth in transportation sector is more than industry and there is an asymmetric relation between energy consumption and economic growth. Manuscript profile
      • Open Access Article

        3 - Regime Dependent Effects and Cyclical Volatility Spillover of Exchange Rate and Stock Prices in Iran
        Mahdi Mozafarnia MirFeyz Fallahshams Gholamreza Zomorodian
        The main purpose of this study is to investigate the regime dependence and the cyclic contagion of exchange rate and stock prices volatility with emphasis on the economic boom and busts. For this purpose, first, using the Markov switching-EGARCH method, the time series More
        The main purpose of this study is to investigate the regime dependence and the cyclic contagion of exchange rate and stock prices volatility with emphasis on the economic boom and busts. For this purpose, first, using the Markov switching-EGARCH method, the time series of conditional volatility of exchange rate and stock market returns were estimated and extracted, contagion, spillover between markets and their regime dependence in the boom and bust in 2010 - 2020 has been analyzed and studied. The results show that: 1. Estimation of conditional volatility by Markov switching-EGARCH method is more efficient than traditional GARCH methods. 2. The volatility dependence between stock markets and foreign exchange is more severe during periods of recession than during periods of boom. 3. The rate of volatility spillover from the foreign exchange market to the stock market is greater than the rate of spillover of volatility from stocks to foreign exchange. 4. The spillover of volatility from the foreign exchange market to the stock market in the regime of booms and recession is not significantly different. 5. In a regime of economic booms, the rate of volatility spillover from the stock market to the foreign exchange market is greater than that occurs in a regime of recession. Therefore, the volatility of exchange rate and stock prices in Iran are dependent on the regime of the economy, and also the spillover between them in these two regimes is different. Manuscript profile