The Reserve Bank of India adopted inflation-targeting monetary policy based on the New Keynesian 3-equation model. How realistic are the assumptions, and how effective have monetary policy instruments been in controlling the inflation rate? Given India’s structural specificities, what are the implications of cost-push inflation for policy rate and output gap? This paper addresses these questions by identifying alternative theoretical possibilities within a simple 3-equation model and locating the Indian specificity by estimating the Phillips curve and monetary policy rule equation. The analysis points towards the constraints of monetary policy in India due to presence of a flat Phillips curve and indicates the possibility of adverse effect on output gap due to presence of Taylor’s rule.
