Now showing items 1-10 of 61
Risk Preferences Estimation for Small Raspberry Producers in the Bío-Bío Region, Chile
(Instituto de Investigaciones Agropecuarias, INIA, 2008)
Approximations on risk-averse Markov decision processesApproximations dans les processus de décision Markoviens averses au risque
(Institut National de Recherche en Informatique et en Automatique, 2013)
We consider the problem of approximating the values and the optimal policies in risk-averse discounted Markov Decision Processes with infinite horizon. We study the properties of the rolling horizon and the approximate ...
Risk preferences estimation for small raspberry producers in the Bio-Bio Region, Chile
(Instituto de Investigaciones Agropecuarias (Chile), 2010)
Fish Aversion and Attraction to Selected Agrichemicals
In agriculture intensive areas, fishponds and natural water bodies located in close proximity to these fields receive water with variable amounts of agrichemicals. Consequently, toxic compounds reach nontarget organisms. ...
Design and planning of closed loop supply chains: a risk averse multi-stage stochastic approach
(American Chemical Society, 2016-06)
This paper presents a comprehensive risk-averse multistage model for dealing with the design and planning problem of a closed-loop supply chain (CLSC) considering adjustments in the supply chain structure during the planning ...
Risk management for forestry planning under uncertainty in demand and prices
The paper presents and compares approaches for controlling forest companies' risk associated with advance planning under variable future timber prices and demand. Decisions to be made in advance are which stands to cut and ...
Aversion caused by skin diseases – a crowdsourcing study
Background: Disgust is a universal emotion that plays a role in reducing people's exposure to situations with risks of contamination. By the same token, skin diseases could generate aversion in observers. The present study ...
Variance Premium and Implied Volatility in a Low-Liquidity Option Market*
(Fundação Getúlio Vargas, 2017)
We propose an implied volatility index for Brazil that we name IVol-BR. The index is based on daily market prices of options over Ibovespa-an option market with relatively low liquidity and few option strikes. Our methodology ...
Optimal irrigation depth for bean crops considering water constraints and farmer`s risk aversion level
(UNIV ESTADUAL MARINGA, PRO-REITORIA PESQUISA POS-GRADUACAO, 2008)
Nowadays, the rising competition for the use of water and environmental resources with consequent restrictions for farmers should change the paradigm in terms of irrigation concepts, or rather, in order to attain economical ...
ECONOMICAL OCCUPATION OF AGRICULTURAL AREA OF PIRACICABA (SAO PAULO STATE, BRAZIL), INCLUDING RISK THROUGH LINEAR PROGRAMMING
(UNIV FEDERAL UBERLANDIA, 2009)
The economic occupation of an area of 500 ha for Piracicaba was studied with the irrigated cultures of maize, tomato, sugarcane and beans, having used models of deterministic linear programming and linear programming ...