We develop a theory of money and credit as competing payment instruments, then put it to work in applications. Buyers … can use cash or credit, with the former (latter) subject to the inflation tax (transaction costs). Frictions that make the … data, and money-interest correlations in macro data. We analyze the effects of inflation on welfare, price dispersion and …

stability under adaptive learning for interest rate rules that respond to inflation measures differing in their degree of price … stickiness. We find that rules responding to headline inflation measures that assign a positive weight to the inflation of the … the inflation of the sector with high price stickiness. By this we mean that they are more prone to induce non …

shocks this model generates the empirically observed slow (inertial) and prolonged (persistent) reaction of the inflation … shocks mostly through a change in the long-run or inflation updating component of their pricing policies. With staggered … pricing policies there is a time lag before this is reflected in aggregate inflation …

Exchange rate-based inflation stabilization (ERBS) policies are associated with a boom-recession cycle in economic … forward-looking pricing behavior without inflation stickiness and attribute the slow decline in inflation to the consumption …-looking components of inflation weigh approximately equally in pricing behavior, and therefore, that inflation is partially sticky. The …

flexible prices. Second, under the optimal policy the volatility of non-tradable inflation is close to zero. Third, stabilizing … nontradable inflation is optimal regardless of the financial structure of the small open economy. Even for a moderate degree of …

test. In addition, this model is able to replicate the dynamic behavior of inflation and output found in the data …