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Discussion Paper
Data Insight: Which Growth Rate? It’s a Weighty Subject
The growth rate in real gross domestic product (GDP) is a conventional indicator of the economy’s health. But the two ways of measuring annual GDP growth can give very different answers. In 2013, GDP grew 2.2 percent on a year-over-year basis, but at a faster 3.1 percent rate on a Q4-over-Q4 basis. So, which measure is more meaningful? We show in this post that the Q4/Q4 metric is better since it only considers quarterly growth rates during the current year, while the Year/Year measure depends on quarterly growth rates in both the current and previous year and puts considerable weight on ...
Working Paper
Projecting the Impact of Rising Temperatures: The Role of Macroeconomic Dynamics
We use theory and empirics to distinguish between the impact of temperature on transition (temporary) and steady state (permanent) growth in output per capita. Standard economic theory suggests that the long-run growth rate of output per capita is determined entirely by the growth rate of total factor productivity (TFP). We find evidence suggesting that the level of temperature affects the level of TFP, but not the growth rate of TFP. This implies that a change in temperature will have a temporary, but not a permanent, impact on growth in output per capita. To highlight the quantitative ...
Journal Article
How Stable Is China’s Growth? Shedding Light on Sparse Data
Policymakers, academics, and market participants have raised many questions in recent years over the accuracy of China’s official economic growth rates, both in terms of levels and volatility. This issue is of considerable importance for policymakers because fluctuations in China’s economic activity can have significant impacts on growth, employment, inflation, and other policy objectives, given China’s large shares of world output, trade, and commodity demand, and its rapidly growing role in global financial markets. This study addresses the question of growth volatility using a set of ...