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We consider the problem of portfolio selection, with transaction costs and constraints on exposure to risk. Linear transaction costs, bounds on the variance of the return, and bounds on different shor...
We consider the problem of multi-period portfolio optimization over a finite horizon, with a self-financing budget constraint and arbitrary distribution of asset returns, with objective to minimize th...
This paper examines the effect of transaction costs of search on the institution of grain brokers in Ethiopia. Primary data are used to derive traders's shadow opportunity costs of labor and of ca...
Telstra and the Telecom Corporation of New Zealand (TCNZ) are examined against the backdrop of deregulation, corporatisation and privatisation of telcommunications companies (TelCos) world-wide. This ...

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