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agronomy --- crop protection --- ecology --- economic botany --- flavours --- fragrance --- harvesting --- morphology --- quality standards --- spices --- taxonomy

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DEN Dendrology & Forestry --- India --- dendrology & forestry --- distribution --- growth --- quality standards --- structure --- timbers

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The paper argues that to achieve compliance of firms with regulations such as product quality or environmental or health standards it is better to have industries with a few large corporations than numerous small firms. A model is constructed to show that limited liability constraints bind more easily in competitive industries, making it harder to impose sufficiently severe penalties and costlier to send sufficient monitors. Having large corporations allows the government effectively to delegate some of its monitoring functions to the managers of the corporation. The tradeoff between this issue and the usual argument in favor of competition is considered.

Competition --- Environmental Regulations --- Health Standards --- Industry --- Product Quality Standards --- Product Safety Regulation --- Public Sector Corruption and Anticorruption Measures --- Public Sector Development --- Small Scale Enterprise

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Low student learning is a common finding in much of the developing world. This paper uses a relatively unique dataset of five semiannual rounds of standardized test data to characterize and explain the short-term changes in student learning. The data are collected as part of the quality assurance system for a public-private partnership program that offers public subsidies conditional on minimum learning levels to low-cost private schools in Pakistan. Apart from a large positive distributional shift in learning between the first two test rounds, the learning distributions over test rounds show little progress. Schools are ejected from the program if they fail to achieve a minimum pass rate in the test in two consecutive attempts, making the test high stakes. Sharp regression discontinuity estimates show that the threat of program exit on schools that barely failed the test for the first time induces large learning gains. The large change in learning between the first two test rounds is likely attributable to this accountability pressure given that a large share of new program entrants failed in the first test round. Schools also qualify for substantial annual teacher bonuses if they achieve a minimum score in a composite measure of student test participation and mean test score. Sharp regression discontinuity estimates do not show that the prospect of future teacher bonus rewards induces learning gains for schools that barely did not qualify for the bonus.

Education --- Education For All --- Learning --- Learning levels --- Learning outcomes --- Pass rate --- Primary Education --- Private school --- Quality assurance --- Quality standards --- Secondary Education --- Standardized tests --- Student learning --- Teaching and Learning --- Tertiary Education --- Test scores

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This paper documents new facts about the joint evolution of firm performance and prices in international markets and proposes a theory of firm dynamics emphasizing the interaction between learning about demand and quality choice to explain the observed patterns. Using data from the Portuguese manufacturing sector, the paper documents that: (1) within narrow product categories, firms with longer spells of activity in export destinations tend to ship larger quantities at similar prices, thus obtaining larger export revenue; (2) older exporters tend to import more expensive inputs; and (3) revenue growth within destinations (conditional on initial size) tends to decline with market experience. The authors develop a model of endogenous input and output quality choices in a learning environment that is able to quantitatively account for these patterns. Counterfactual simulations reveal that minimum quality standards on exports reduce welfare by lowering entry in export markets and reallocating resources from old and large toward young and small firms.

Access to Markets --- Airports & Air Services --- E-Business --- Economic Theory & Research --- Firm Dynamics --- International Economics & Trade --- Learning About Demand --- Macroeconomics and Economic Growth --- Markets & Market Access --- Prices --- Private Sector Development --- Product Quality --- Quality Standards --- Transport