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This study seeks to provide a viewpoint on the marketing performance of banks in the context of the dynamic equilibrium of marketing. The current study attempts to discuss the views regarding the marketing performance of commercial banks, within the framework of the dynamic balance of marketing, and aims to design a model for measuring marketing performance through the dimensions of the dynamic balance of marketing, and these dimensions are the strategic alliance, laws and legislations, competition, and work to detect any dimensions more effective in achieving performance. The current study aims to show the importance of the dynamic balance of marketing and its relationship to marketing performance in the Iraqi banking sector.

This article investigates a dynamic general equilibrium model with a stockout constraint, which means that no seller can sell more than the inventories that she has. The model successfully explains two inventory facts; (i) inventory investment is procyclical, and (ii) production is more volatile than sales. The key intuition is that, since inventories and demand are complements in generating sales, the optimal level of inventories is increasing in expected demand. Thus, when demand is expected to be strong, firms increase their production not only to meet their demand but also to accumulate inventories. Also, our model shows that the inventory to sales ratio is persistent and countercyclical, while the (endogenous) markup is countercyclical. These are because a high interest rate in booms discourages firms to hold inventories.

Introduction -- Mathematical Preliminaries -- The Variational Inequality Formulation of Dynamic User Equilibria -- The Differential Variational Inequality Formulation of Dynamic User Equilibria -- Existence of Dynamic User Equilibria -- Algorithms for Computing Dynamic User Equilibria -- Dynamic Network Loading: Non-Physical Queue Models -- Dynamic Network Loading: Physical Queue Models -- Numerical Results.