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Consider any investor who fears ruin facing any set of investments that satisfy no-arbitrage. Before investing, he can purchase information about the state of nature in the form of an information structure. Given his prior, information structure 'a' is more informative than information structure...
Persistent link: https://www.econbiz.de/10010284049
Define the riskiness of a gamble as the reciprocal of the absolute risk aversion (ARA) of an individual with constant ARA who is indifferent between taking and not taking that gamble. We characterize this index by axioms, chief among them a “duality” axiom which, roughly speaking, asserts...
Persistent link: https://www.econbiz.de/10010318897
An information transaction entails the purchase of information. Formally, it consists of an information structure together with a price. We develop an index of the appeal of information transactions, which is derived as a dual to the agent's preferences for information. The index of information...
Persistent link: https://www.econbiz.de/10010420275
This mixed-method systematic review is motivated by the willingness to identify the efforts of the most recent developments of the literature on the understanding of water challenges in socioecological systems, particularly coastal ones. The attention, in the exercise, is directed at the...
Persistent link: https://www.econbiz.de/10014305708
The use of "Big Data" to explain fluctuations in the broader economy or guide the business decisions of a firm is now so commonplace that in some instances it has even begun to rival more traditional government statistics and business analytics. Big data sources can very often provide advantages...
Persistent link: https://www.econbiz.de/10012653033
Every year tens of thousands of refugees are resettled to dozens of host countries. While there is growing evidence that the initial placement of refugee families profoundly affects their lifetime outcomes, there have been few attempts to optimize resettlement decisions. We integrate machine...
Persistent link: https://www.econbiz.de/10013208823
Using a unique dataset of 22.5 million news articles from the Dow Jones Newswires Archive, we perform an in depth real-time out-of-sample forecasting comparison study with one of the most widely used data sets in the newer forecasting literature, namely the FRED-MD dataset. Focusing on U.S. GDP,...
Persistent link: https://www.econbiz.de/10012661568
volatility forecasts I find news volumes to improve forecasts, regardless of language. The relationship between news and …
Persistent link: https://www.econbiz.de/10013208708
Uncertainty is acknowledged to be a source of economic fluctuations. But, does the type of uncertainty matter for the economy's response to an uncertainty shock? This paper offers a novel identification strategy to disentangle different types of uncertainty. It uses machine learning techniques...
Persistent link: https://www.econbiz.de/10012143904
When evaluating the significance of calendar effects, such as those associated with Monday and January, it is necessary to control for all possible calendar effects to avoid spurious results. The downside of having to control for a large number of possible calendar effects is that it diminish...
Persistent link: https://www.econbiz.de/10010318856