Using a two-stage Cournot game with economies of scope, we examine the effects of monetary policy on the optimal bank behavior. Emphasis is on the way the interest rate spread is influenced by the minimum reserve requirements. It is demonstrated that the sign of this effect depends on the kind of economies of scope. Moreover, monetary policy implications for both the depositor's and borrower's behaviors are presented. Assuming an overlapping generation context, we prove that minimum reserve requirements affect the optimal levels of bank-client consumption through the corresponding equilibrium interest rates.
This paper presents a discrete time version of Hillinger's (1992Hillinger's ( , 2005) second order accelerator model that investigates the dynamic behavior of capital, for pedagogical purposes. Such a version is put forward as a means of improving student acquaintance with the analysis of investment cycles -defined as quasi-periodic cyclic movements of these variables-and with the convergence towards the steady-state when capital is subjected to trigonometric oscillations. In addition, we extend the analysis, introducing the exogenous interest rate on loans in the behavioral equation of investors. It is inferred that the introduction of this credit term results in a lower equilibrium level of capital.
Following the industrial organization approach to banking, we investigate the effects of banking conduct on the investment cycle. To achieve this, we extend the second order accelerator (SOA) model in discrete time, introducing the interest rate on loans.To the extent that the banking sector is concerned, we consider two different types of banking conduct: a Cournot game where the banks make their decision on the quantities of loans and deposits simultaneously, and a Stackelberg game in which they decide over these amounts sequentially. In addition, we follow a simulation process to confirm the dynamic properties of our theoretical findings and examine the effects of monetary policy on capital over time.
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