Tomz, Michael; Wright, Mark L. J. - Federal Reserve Bank of San Francisco - 2007
Economics, University of California, Los
Angeles
May 2007
Working Paper 2007-17
http://www.frbsf.org/publications/economics …
Department of Political Science, Stanford University
Mark L. J. Wright
Department of Economics, University of California, Los … and Development Centre (2006).
To measure �good�and �bad�times in economic activity, we construct a measure of
business …