In this paper we propose and estimate a dynamic structural model of fixed capital investment using firm-level Spanish data. We first characterize the optimal behavior of a firm facing uncertainty in demand and input prices, as well as kinked and lump-sum adjustment costs. This nonconvex...

The objective of this paper is to calculate, model, and forecast realized volatility using high-frequency stock-market index data. The approach differs from existing ones in several ways. First, it is shown that the decay of the serial dependence of high-frequency returns on the sampling...

I use the automated search algorithm to address practical issues that arise in estimating income and price elasticities for U.S. trade in services: specification of dynamics, specification of the search strategy, simultaneity biases, and aggregation biases. Specifically, starting from a general,...

I provided an abstract earlier

For univariate time series we suggest a new variant of efficient score tests against fractional alternatives. This test has three important merits. First, by means of simulations we observe that it is superior in terms of size and power in some situations of practical interest. Second, it is...