We present new evidence on the presence of both small and large price changes in individual price records from the CPI both in France and in the US. After correcting for measurement error and cross-section heterogeneity we find that the size distribution of price changes has a positive excess...

We consider an inventory model for a liquid asset where the per-period net expenditures have two components: one that is frequent and small and another that is infrequent and large. We give a theoretical characterization of the optimal management of liquid asset as well as of the implied...

We model the decisions of a multi-product firm that faces a fixed “menu” cost; once it is paid, the firm can adjust the price of all its products. We characterize analytically the steady state firm’s decisions in terms of the structural parameters: the variability of the flexible prices,...

We study the stylized problem of a multi-product firm that can revise prices only after paying a fixed “menu” cost. The key assumption, introduced by Lach and Tsiddon (1996, 2007) and Midrigan (2007, 2009), is that once the menu cost is paid the firm can adjust the price of all its products....

We present a monetary model in the presence of segmented asset markets that implies a persistent fall in interest rates after a once and for all increase in liquidity. The gradual propagation mechanism produced by our model is novel in the literature. We provide an analytical characterization of...

We document cash management patterns for households that are at odds with the predictions of deterministic inventory models that abstract from precautionary motives. We extend the Baumol-Tobin cash inventory model to a dynamic environment that allows for the possibility of withdrawing cash at...

We study the price setting problem of a firm in the presence of both observation and menu costs. In this problem the firm optimally decides when to collect costly information on the adequacy of its price, an activity which we refer to as a price “review”. Upon each review, the firm chooses...

The empirical evidence on rational inattention lags far behind the theoretical developments: micro evidence on the most immediate consequence of observation costs (the infrequent observation of state variables) is not available in standard datasets. We contribute to filling the gap with two...

We study a model in which prices respond slowly to shocks because firms must pay a fixed cost to observe the determinants of the profit maximizing price, as pioneered by Caballero (1989) and Reis (2006). We extend their analysis to the case of random transitory variation in the firm’s...

We compute the impulse response of output to an aggregate monetary shock in a general equilibrium when firms set prices subject to a costly observation of the state and a menu cost. We study how the aggregate effects of a monetary shock depend on the relative size of these costs. We find that...