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Working Paper
The Disappointing Recovery of Output after 2009
U.S. output has expanded only slowly since the recession trough in 2009, even though the unemployment rate has essentially returned to a precrisis, normal level. We use a growth-accounting decomposition to explore explanations for the output shortfall, giving full treatment to cyclical effects that, given the depth of the recession, should have implied unusually fast growth. We find that the growth shortfall has almost entirely reflected two factors: the slow growth of total factor productivity, and the decline in labor force participation. Both factors reflect powerful adverse forces that ...
Journal Article
How Have Changing Sectoral Trends Affected GDP Growth?
Trend GDP growth has slowed about 2.3 percentage points to 1.7% since 1950. Different economic sectors have contributed to this slowing to varying degrees depending on the distinct trends of technology and labor growth in each sector. The extent to which sectors influence overall growth depends on the degree of spillovers to other sectors, which amplifies the effect of sectoral changes. Three sectors with slowing growth and linkages to other sectors?construction, nondurable goods, and professional and business services?account for 60% of the decline in trend GDP growth.
Conference Paper
Forecasting output and inflation: the role of asset prices
This paper examines old and new evidence on the predictive performance of asset prices for inflation and real output growth. We first review the large literature on this topic, focusing on the past dozen years. We then undertake an empirical analysis of quarterly date on up to 38 candidate indicators (mainly asset prices) for seven OECD countries for a span of up to 41 years (1959 - 1999). The conclusions from the literature review and the empirical analysis are the same. Some asset prices predict either inflation or output growth in some countries in some periods. Which series predicts what, ...
Working Paper
Testing long run neutrality
Journal Article
Commentary on \\"what's real about the business cycle?\\"
Journal Article
The Disappointing Recovery in U.S. Output after 2009
U.S. output has expanded only slowly since the recession trough in 2009, counter to normal expectations of a rapid cyclical recovery. Removing cyclical effects reveals that the deep recession was superimposed on a sharply slowing trend in underlying growth. The slowing trend reflects two factors: slow growth of innovation and declining labor force participation. Both of these powerful adverse forces were in place before the recession and, thus, were not the result of the financial crisis or policy changes since 2009.
Conference Paper
Recent changes in trend and cycle, remarks
Working Paper
Stochastic trends and economic fluctuations
Working Paper
Aggregate Implications of Changing Sectoral Trends
We find disparate trend variation in TFP and labor growth across major U.S. production sectors over the post-WWII period. When aggregated, these sector-specific trends imply secular declines in the growth rate of aggregate labor and TFP. We embed this sectoral trend variation into a dynamic multi-sector framework in which materials and capital used in each sector are produced by other sectors. The presence of capital induces important network effects from production linkages that amplify the consequences of changing sectoral trends on GDP growth. Thus, in some sectors, changes in TFP and ...