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Traditional portfolio optimization models specify placement of capital as rather irrevocably and fully at risk through investment horizon(s) or continuously. Under this constraint, asset class allocation typically serves as primary mode of diversification, pursuing risk moderation by seeking to...
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This Chapter analyzes the ways in which digital platforms such as Uber and Airbnb are perfecting the deal and lowering transaction costs. The chapter argues that the three stages of pre-deal, deal-making, and post-deal, 1) search costs; 2) bargaining and decision costs; and 3) policing and...
Persistent link: https://www.econbiz.de/10012853297
the constraint that assets be fully and continuously invested is inconsistent with basic decision theory, as it disallows … in finance. We herein explore implications for the traditional ‘52'59 Markowitz approach to portfolio theory when the … incomplete Markowitz model. Relative to “Asset Price Trend Theory: Reframing portfolio theory from the ground up” (Dubois [2013 …
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In this paper we explore the underlying consumer heterogeneity in competitive markets for subscription-based IT services that exhibit network effects. Insights into consumer heterogeneity with respect to a given service are paramount in forecasting future subscriptions, understanding the impact...
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, foremost in the axiomatic basis of modern economic theory …
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analysis discusses the implications for the theory of the firm. The analysis further considers how platforms affect innovation …
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Review, 1960). Tatonnement theory predicts that prices are globally unstable for this economy, i.e. unless prices start at … the competitive equilibrium they oscillate without converging. Anderson et al. (Journal of Economic Theory, 2004) report … convergence. We replicate their experiments and confirm that tatonnement theory predicts the direction of price changes remarkably …
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