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We demonstrate how to estimate a model of product demand and oligopoly pricing when products are multi-dimensionally differentiated. We provide an empirical counterpart to recent theoretical work on product differentiation. Using specifications informed by economic theory, we simultaneously estimate a demand system and price-cost margins for products differentiated in many dimensions.

Diversification in industry.

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This paper investigates the divisional investment policies of diversified firms. We find that investment of the smallest division of diversified firms is significantly related to the cash flow of the other segments. We then show that the smallest division's investment is more sensitive to the cash flow of the other divisions for firms where one expects aggregate investment to be related to cash flow also, namely low q firms and firms with high leverage. This and other evidence we provide is consistent with what we call the bureaucratic rigidity hypothesis. This hypothesis states that relative allocations of investment funds in diversified firms are sticky. We fail to find support for the view that diversified firms allocate more funds to divisions in industries with better investment opportunities

Diversification in industry

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Diversification (economie politique) --- Macroeconomie --- Diversification (economie politique) --- Macroeconomie --- Diversification (economie politique) --- Macroeconomie --- Diversification (economie politique) --- Macroeconomie

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The World Health Organization's publication for World No Tobacco Day 2023 focuses on the theme 'Grow food, not tobacco.' It addresses the global issue of tobacco cultivation, which is prevalent in over 124 countries and occupies millions of hectares of arable land that could be used for food production. The book highlights the health, economic, and environmental repercussions of tobacco farming, particularly in low- and middle-income countries, where it exacerbates food insecurity and environmental degradation. The WHO advocates for a shift towards food crop production, emphasizing that alternative agricultural practices could provide equal or greater economic returns for farmers. The publication aims to inform policymakers, the general public, and various sectors to encourage sustainable agricultural practices and reduce the impact of the tobacco industry.

Tobacco industry. --- Agricultural diversification.

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European Union --- European Union --- land use --- land use --- Diversification --- Diversification