JEL classification: E32 C32 How similar is the price behavior of oil, natural gas, and coal? Are there any interactions among these three fuel prices and their volatilities? Using the Yatchew and Dimitropoulos (2016) annual data for the United States, over the period from 1870 to 2014, and state-of-the-art econometric methodology, we explore for spillovers and interactions among the three energ...

Assumptions about the dynamic and distributional behavior of risk factors are crucial for the construction of optimal portfolios and for risk assessment. Although asset returns are generally characterized by conditionally varying volatilities and fat tails, the normal distribution with constant variance continues to be the standard framework in portfolio management. Here we propose a practical ...

Article history: Received 28 May 2013 Received in revised form 17 February 2014 Accepted 19 February 2014 Available online 26 February 2014 The Urban Household Income and Expenditure Surveys, conducted by the National Bureau of Statistics, are extensively explored in income distribution studies. However, we find that a survey coverage expansion that includes migrant residents in the urban sampl...

i n the past decades, the effect of different tax amendments on various economic issues has been studied. the majority of these studies have avoided considering shadow economy as part of the calculation and analysis, and an issue, which has received little attention, is the relationship between green tax reforms and shadow economy, as for informal labor, which is well-connected to unemployment ...

make or buy decision is one of the main areas of decision making for managers. transaction cost economics (tce), as an influential economic approach to the theory of the firm, tries to put forward a theoretical framework for this important decision. from tce perspective, the greater the asset specificity, the more the behavioral uncertainty and the more the transaction frequency, the more will ...

in this article, the effectiveness of eight different technical indexes including simple moving average, weighted moving average, exponential moving average, relative strength, commodity channel, stochastic, money flow and demand are examined by comparison between indexes returns with buy and hold returns. the results shows the return of buy and hold strategy is more than technical indexes in t...

This paper examines the impact of oil price volatility on macroeconomic performance in fourteen non-oil exporting Sub-Saharan Africa (SSA) economies using panel ARDL model fort he 1980-2015. It also looks at channels through which transmit to three major sectors their economies. The estimate indicates how persistent prevailed economy by measuring short run and long effects. result shows that ec...