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VAR meets DSGE
VAR methods suggest that the monetary transmission mechanism may be weak and unreliable in low-income countries (LICs). But are structural VARs identified via short-run restrictions capable of detecting a transmission mechanism when one exists, under research conditions typical of these countries? Using small DSGEs as data-generating processes, we assess the impact on VAR-based inference of short data samples, measurement error, high-frequency supply shocks, and other features of the LIC environment. The impact of these features on finite-sample bias appears to be relatively modest when identification is valid—a strong caveat, especially in LICs. However, many of these features undermine the precision of estimated impulse responses to monetary policy shocks, and cumulatively they suggest that “insignificant” results can be expected even when the underlying transmission mechanism is strong.
Adam
Fritz Adam, a German Jewish entrepreneur, owner of one of the most prestigious department stores in central Berlin, finds himself at odds with the political developments at the time of the Weimar republic. Fritz is an enthusiastic supporter of the Olympic ideal and sees the promotion of sports as the way forward to increase cooperation between nations in the form of healthy competition so as to prevent future military confrontations. Also an adventurer at heart, and sponsor of many of the first exploratory voyages around the globe, he sees his beliefs and ideals threatened and finally shattered as the Nazis return to values of order, discipline, and military expansionism. As a Prussian offic...
Debt, Investment, and Growth in Developing Countries with Segmented Labor Markets
We introduce a new suite of macroeconomic models that extend and complement the Debt, Investment, and Growth (DIG) model widely used at the IMF since 2012. The new DIG-Labor models feature segmented labor markets, efficiency wages and open unemployment, and an informal non-agricultural sector. These features allow for a deeper examination of macroeconomic and fiscal policy programs and their impact on labor market outcomes, inequality, and poverty. The paper illustrates the model's properties by analyzing the growth, debt, and distributional consequences of big-push public investment programs with different mixes of investment in human capital and infrastructure. We show that investment in h...
VAR meets DSGE
VAR methods suggest that the monetary transmission mechanism may be weak and unreliable in low-income countries (LICs). But are structural VARs identified via short-run restrictions capable of detecting a transmission mechanism when one exists, under research conditions typical of these countries? Using small DSGEs as data-generating processes, we assess the impact on VAR-based inference of short data samples, measurement error, high-frequency supply shocks, and other features of the LIC environment. The impact of these features on finite-sample bias appears to be relatively modest when identification is valid—a strong caveat, especially in LICs. However, many of these features undermine the precision of estimated impulse responses to monetary policy shocks, and cumulatively they suggest that “insignificant” results can be expected even when the underlying transmission mechanism is strong.
Public Investment, Public Finance, and Growth
Effective public investment requires governments to address the "recurrent cost problem" to ensure operations and maintenance (O&M) expenditures are sufficient to sustain the flow of productive public capital services to private factors of production. Building on the model of Buffie et al (2012), this paper explores the macroeconomic implications of this recurrent cost problem and its resolution in a context that recognizes that taxation is distortionary. The model is also used to examine stylized fiscal reforms including the replacement of a distortionary output tax with a uniform consumption tax and budgetary reforms that restore O&M expenditures to their efficient levels. These experiments are stylized but clearly demonstrate the material consequences of the tax and public expenditure structures for growth and debt sustainability in low-income countries.
The Minimum Wage Puzzle in Less Developed Countries: Reconciling Theory and Evidence
We show that a dynamic general equilibrium model with efficiency wages and endogenous capital accumulation in both the formal and (non-agricultural) informal sectors can explain the full range of confounding stylized facts associated with minimum wage laws in less developed countries.
Animal Cell Technology: Products from Cells, Cells as Products
Proceedings of the 16th ESACT Meeting, April 25-29, 1999, Lugano, Switzerland
