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jumps, stochastic correlation and portfolio management with benchmarking. …
Persistent link: https://www.econbiz.de/10009024486
Portfolio theory must address the fact that, in reality, portfolio managers are evaluated relative to a benchmark, and therefore adopt risk management practices to account for the benchmark performance. We capture this risk management consideration by allowing a prespecified shortfall from a...
Persistent link: https://www.econbiz.de/10005114400
simple risk management practice that accounts for benchmarking can ameliorate the adverse effects of managerial incentives. …
Persistent link: https://www.econbiz.de/10005666418
the most efficient innovation processes. We combine a traditional nonparametric frontier approach with super-efficiency … and tests for return to scale properties using bootstrap procedures to derive consistent and robust efficiency estimates … Denmark have the highest R&D efficiency on average in total manufacturing. However, sector-specific efficiency scores reveal …
Persistent link: https://www.econbiz.de/10009321843
This paper assesses the relative efficiency of knowledge production in the OECD using a nonparametric DEA approach. In … constraints. The efficiency scores presented are based on an intertemporal frontier estimation for the period 1995 to 2004. We …&D efficiency by attenuating the incentives to innovate and to allocate resources efficiently. …
Persistent link: https://www.econbiz.de/10008684686
efficiency improvements through consolidation. Focusing on a hypothetical restructuring of the industry, we apply Data … Envelopment Analysis (DEA) to analyze the potential efficiency gains from mergers between water utilities at the county level. A … conditional efficiency framework is used to account for the operating environment. Highest efficiency improvement potentials turn …
Persistent link: https://www.econbiz.de/10011083827
Using a stochastic frontier model and a comprehensive dataset, we study factors that affect corporate efficiency in … efficiency, and (iii) high competition is less conductive to efficiency than moderate or low competition. In terms of ownership …, we find that (iv) efficiency increases when a majority owner must deal with minority shareholders and that (v) domestic …
Persistent link: https://www.econbiz.de/10011213309
When workers send applications to vacancies they create a network. Frictions arise if workers do not know where other workers apply to (this affects network creation) and firms do not know which candidates other firms consider (this affects network clearing). We show that those frictions and the...
Persistent link: https://www.econbiz.de/10009246606
Why were people so unprepared for the global financial crisis, the European debt crisis, and the Fukushima nuclear accident? To address this question, we study a model in which agents make state-contingent plans - think about actions in different contingencies - subject to the constraint that...
Persistent link: https://www.econbiz.de/10009351517
shows that taxpayers are the main losers as subsidies are still needed. There are also serious efficiency-equity trade …
Persistent link: https://www.econbiz.de/10009399719