Now showing items 163-165 of 1293

    • Lasso Methods for Gaussian Instrumental Variables Models 

      Belloni, Alexandre; Chernozhukov, Victor; Hansen, Christian (Cambridge, MA: Department of Economics, Massachusetts Institute of Technology, 2011-02-25)
      In this note, we propose the use of sparse methods (e.g., LASSO, Post-LASSO, p LASSO, and Post-p LASSO) to form first-stage predictions and estimate optimal instruments in linear instrumental variables (IV) models with ...
    • An Empirical Study of Pricing Strategies in an Online Market with High Frequency Price Information 

      Ellison, Sara Fisher; Snyder, Christopher M. (Cambridge, MA: Department of Economics, Massachusetts Institute of Technology, 2011-07-12)
      We study competition among a score of firms participating in an online market for a commodity-type memory module. Firms were able to adjust prices continuously; prices determined how the firms were ranked and listed (lowest ...
    • Cycles, Gaps, and the Social Value of Information 

      Angeletos, George-Marios; Iovino, Luigi; La'O, Jennifer (Cambridge, MA: Department of Economics, Massachusetts Institute of Technology, 2011-07-09)
      What are the welfare effects of the information contained in macroeconomic statistics, central-bank communications, or news in the media? We address this question in a business-cycle framework that nests the neoclassical ...