We construct a vintage capital model of economic growth in which the decision to replace old technologies with new ones is modeled explicitly. Depreciation in this environment is an economic, not a physical concept. We describe the balanced growth paths and the transitional dynamics of this...

Recently, Central Bank of Turkey designed new policy instruments in order to reduce the adverse impact of volatile capital flows on macroeconomic and financial stability. This note is aims to introduce one of the new instruments: “Reserve Option Mechanism” (ROM). We describe the transmission...

Heightened volatility in cross-border capital flows has increased exchange rate volatility across emerging markets as well as in advanced economies, setting the stage for more active management of currencies. Traditionally, foreign exchange rate intervention has been the primary tool to address...

Recently, Central Bank of the Republic of Turkey designed new policy instruments in order to reduce the adverse impact of volatile capital flows on macroeconomic and financial stability. This paper aims to introduce one of the new instruments: “Reserve Options Mechanism” (ROM). We describe...

A vintage capital model where the firm makes decisions about whether to replace or upgrade its old capital stock with new capital is developed in this paper. The model is used to study how technological characteristics of capital affect investment behavior. In particular, it is asked how the...

Mehmet Yorukoglu is Assistant Professor of Economics and of Social Sciences at the University of Chicago. His fields of interests are technology innovations, fluctuations and investment.

We study the behavior of imitation and innovation in a dynamic general equilibrium model that captures the salient features of an information age. We study a world where innovations can be made but at a cost that reflects the type of goods. After innovation takes place, imitation is possible but...