سید یعقوب زراعت کیش

Profit is one of the most important factors influencing economic decision making, the changes of which depend on various factors. Banks, as one of the most important business units, have a special reliance on the concept of profitability and their performance is significantly influenced by macroeconomic conditions. Government economic policies are placed. This paper aims at applying the panel regression model to study the effect of monetary policy on the profitability of banks from 2006 to 2018 using data from 30 provinces to find appropriate policy recommendations for decision-making in the banking system. The research method was the use of GMM regression technique in the context of combined data. According to the results, the performance and profitability of banks are improved by the implementation of expansionary monetary policy. However, bank lending and price inflation have a negative effect on banks' performance. According to the results of this study, control variables such as the amount of overdue claims and GDP also had a positive effect on the performance of banks. Also at the macro level, with regard to the negative effects of Expansion monetary policy and the growth of liquidity, with the controlled implementation of Expansion monetary policy, it helps to improve the performance of banks in the banking system.

Background: Identifying the factors affecting buying behavior has always been one of the important priorities of marketers, because in order to create a sustainable competitive advantage, identifying buyers and their behavior and factors affecting their decision-making is essential and increases sales. Therefore, the present study has been conducted with the aim of identifying the factors affecting organizational purchasing behavior and the effective ethical components in this regard have also been examined. Method: The present study was applied and among descriptive-correlational researches. The statistical population of this study consists of 149 managers and experts of Gachsaran Oil and Gas Exploitation Company who were excluded from sampling due to the limitations of the population. The data collection tool in this study was a questionnaire. Finally, the conceptual model of the research was tested using the structural equation model. Results: The research findings confirm that 5 categories of factors including environmental factors, marketing mix factors, organizational factors, individual factors and shortcuts affect the purchasing behavior of organizational buyers and all relationships in the research model were positive and significant. Conclusion: Although corporate buyers follow formal mechanisms, they cannot be considered a model of rationality, because they sometimes buy based on brand loyalty or long-term relationship with a supplier. Individual, organizational, ethical, environmental and marketing factors can affect the buying behavior of organizational buyers.