Farhad Ghaffari
[ 1 ] - The Effect of Corruption on Shadow Economy: An Empirical Analysis Based on Panel Data
Quite often shadow economy (SE) and corruption are seen as "twins", which need each other or fight against each other and theoretically can be either complements or substitutes. Therefore, the relationship between SE and corruption has been a controversial and polemical issue and in the spotlight of a remarkable collection of economists and social researchers. The main objective of this study ...
[ 2 ] - The Effect of Uncertainty of Macroeconomic Indicators on Tehran Stock Exchange Return With an Approach of the TVP-SV Model
One of the most important duties of financial economy is modeling and forecasting the volatilities of price of risky assets. From analysts and policy makers’ view, price volatility is a key variable contributing to perception of market volatilities. Therefore, analysts need to have an appropriate of forecast of price volatility as a necessary input to perform duties such as risk management, por...
[ 3 ] - Improved Profitability and Competition in Two Level Supply Chain by Non-Cooperative Games
This article by modeling a non-cooperative dynamic game tries to improve profitability and competition. This paper has considered how the manufacturer interacts with multiple competitor distributors. Each distributor also determines the optimal distribution price and inventory replenishment policies to maximize their profits. The issue form a non-cooperative dynamic game. Distributors formulate...
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