Results 61 to 70 of about 50,517 (308)
, 2011 Most methods for decision-theoretic online learning are based on the Hedge algorithm, which takes a parameter called the learning rate. In most previous analyses the learning rate was carefully tuned to obtain optimal worst-case performance, leading to suboptimal performance on easy instances, for example when there exists an action that is ...
Tim van Erven +3 more
openaire +3 more sources
Vertical Price Transmission in Food Markets: New Evidence From Meta‐Analysis
Agribusiness, EarlyView.ABSTRACT A growing body of empirical research has examined price dynamics along the food supply chain, yet findings remain heterogeneous and often conflicting. This study conducts a meta‐analysis of 140 studies, totaling 652 observations, to examine (1) the reported presence of asymmetric price transmission and (2) the reported direction of price ...
Sushan K C +2 more
wiley +1 more source
CROSS-HEDGING COTTONSEED MEAL [PDF]
This study examines the feasibility of cross-hedging cottonseed meal with soybean meal futures. The simple linear regression of cottonseed meal cash prices on soybean meal futures provides a direct price movement relationship.
Rahman, Shaikh Mahfuzur +2 more
core +2 more sources
HEDGING WHOLESALE BEEF CUTS [PDF]
Live cattle futures markets do not offer much opportunity for effective hedging of wholesale beef cuts. If a Choice-to-Select price spread futures contract were introduced this would enhance hedging effectiveness although likely not enough to encourage ...
Schroeder, Ted C., Yang, Xiaolou
core
Value of Information of Improved Traceability in Fresh Produce Markets
Agribusiness, EarlyView.ABSTRACT Traceability plays an important role in promoting a safe food supply by fostering transparent information exchange along the food supply chain. New technological innovations have the potential to improve traceability outcomes, as greater transparency along the food supply chain can aid in pinpointing precise origins of the contamination ...
Kelsey Vourazeris +2 more
wiley +1 more source
Dynamic hedging of 50ETF options using Proximal Policy Optimization
Journal of Automation and IntelligenceThis paper employs the PPO (Proximal Policy Optimization) algorithm to study the risk hedging problem of the Shanghai Stock Exchange (SSE) 50ETF options.
Lei Liu, Mengmeng Hao, Jinde Cao
doaj +1 more source
Comparing conditional hedging strategies. [PDF]
The traditional approach to discriminate amongst two competing hedging strategies is to compare the sample portfolio return variance implied by each strategy. This simple approach suffers from two drawbacks.
de Ville, e Goyet, C
core
Weather Attention in Online Discourse and Price Uncertainty in Agricultural Futures Markets
Agribusiness, EarlyView.ABSTRACT Weather is a central determinant of production risk in agricultural markets, but markets respond not only to weather conditions themselves, but also to how those conditions are noticed, framed, and interpreted in public discourse. In this setting, real‐time online weather discussions may shape price uncertainty by influencing how market ...
Mario A. Ortez +3 more
wiley +1 more source
What do we really know about corporate hedging? A meta-analytical study
Business Research, 2017 This paper employs meta-analysis to aggregate and systematically analyze the mixed empirical evidence on the determinants of corporate hedging reported in 132 previously published studies covering data from more than 73,000 firms.
Jerome Geyer-Klingeberg +4 more
doaj +1 more source
Hedging versus not hedging: strategies for managing foreign exchange transaction exposure [PDF]
This paper compares a number of strategies for managing foreign exchange exposures. The strategies are never hedging, hedging every exposure using a forward exchange contract, and hedging on selective occasions using a forward exchange contract.
Scott McCarthy
core