High-utility itemset mining is the task of finding the sets of items that yield a high utility (e.g. profit) in quantitative transaction databases. An important limitation of previous work on high-utility itemset mining is that utility is generally used as the sole criterion for assessing the interestingness of patterns. This leads to finding many itemsets that have a high profit but contain it...

High-utility itemset mining is the task of discovering highutility itemsets, i.e. sets of items that yield a high profit in a customer transaction database. High-utility itemsets are useful, as they provide information about profitable sets of items bought by customers to retail store managers, which can then use this information to take strategic marketing decisions. An inherent limitation of ...

This paper proposes a dynamic equilibrium model to study the implications of the complexity of financial securities for investor behavior, asset prices, and welfare. The key assumption is that, unlike fund managers, non-professional investors cannot directly observe complex securities’ payoffs. In equilibrium, fund managers overinvest in complex securities as these potentially allow them to inf...

In Indonesia, insider trading is a crime that the perpetrators do not easily catch. This sourced from theory of fiduciary obligations in Article 95 Law no. 8 1995 concerning Capital Market and restrictions on trading. United States, using abuse Sections 10(b) 10b-5, Securities Exchange Act 1934 can reach anyone, without limitation, which categorized as an trader. The main purpose this paper to ...

Industry in Ukraine is among the world’s most energy intensive. Energy was plentiful and cheap in Soviet times and little effort was made to conserve it. Rising energy prices have had a major impact on profits and production, which also creates a tremendous market potential for energy efficient products and services. Yet Ukrainian industry has not implemented significant energy efficiency measu...