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Costs of misspecification in break-model unit-root tests
(2012-08)
This paper examines power issues for the ADF and four break models (Perron 1989, Zivot
and Andrews 1992) when the DGP corresponds to one of the break models. Choosing to test an incorrect break model can but need not ...
Do people avoid opportunities to donate? A natural field experiment on recycling and charitable giving
(2012-09)
We use a natural field experiment to investigate the hypothesis that generosity is partly involuntary, by examining whether individuals tend to avoid opportunities to act generously. In Sweden, new recycling machines for ...
Households' income-generating activities and marginal returns to labor in rural Tanzania
(2012-11)
This study uses detailed household-level data to investigate income and activity diversification among households in rural Tanzania. Unlike previous research on diversification, I explicitly evalutate marginal returns ...
Life Satisfaction in Urban Ethiopia: Trends and determinants
(2012-12)
Most studies of subjective well-being in developing countries use cross-sectional data, which makes it difficult to control for unobserved individual heterogeneity. In this paper, we use three rounds of panel data and ...
Origins of the Sicilian Mafia: The Market for Lemons
(2012-05)
Since its first appearance in the late 1800s, the origins of the Sicilian mafia have remained a largely unresolved mystery. Both institutional and historical explanations
have been proposed in the literature through the ...
Multi-product firms, product mix changes and upgrading: Evidence from China's state-owned forest areas
(2012-02)
Product selection matters for a firm’s productivity and long-run growth. Recent theoretical and empirical studies indicate that an important margin of adjustment to policy reforms is the reallocation of output within firms ...
When Samuelson met Veblen abroad: National and global public good provision when social comparisons matter
(2012-09)
This paper derives Pareto efficient policy rules for the provision of national as well as global public goods in a two-country world, where each individual cares about relative consumption within as well as between countries. ...
From Boom to Bust and Back Again: A dynamic analysis of IT services
(2012-09)
Aggregate shocks in demand such as the burst of the 2001 dot-com bubble affect
firms’ behavior and, therefore, the market structure. This paper proposes a fully
dynamic oligopoly model to evaluate the impact of aggregate ...
Synergies and Trade-offs between Climate and Local Air Pollution: Policies in Sweden
(2012-04)
In this paper, we explore the synergies and tradeoffs between abatement of global and local pollution. We built a unique dataset of Swedish heat and power plants with detailed boiler-level data 2001-2009 on not only ...
Reducing Global Warming and Adapting to Climate Change: The Potential of Organic Agriculture
(2012-04)
Climate change mitigation is urgent, and adaptation to climate change is crucial, particularly in agriculture, where food security is at stake. Agriculture, currently responsible for 20-30% of global greenhouse gas emissions ...