Technology is becoming deeply interwoven into the fabric of society. The Internet has become a central source of information for many people when making day-to-day decisions. Here, we present a method to mine the vast data Internet users create when searching for information online, to identify...

Crises in financial markets affect humans worldwide. Detailed market data on trading decisions reflect some of the complex human behavior that has led to these crises. We suggest that massive new data sources resulting from human interaction with the Internet may offer a new perspective on the...

In finance, decision making and choice requires that we assume that asset prices tend to trend. This assumption also logically enables us to construct exits to limit losses and protect capital. But investors have good reason to be uneasy regarding the potential for significant loss when using a...

This paper examines whether policymakers, economists at the Israeli Finance Ministry, act in their personal pension decisions in accordance with the rational behaviour assumptions underlying the pension policies they advance. We find that while economists' decisions regarding three other...

Momentum and Reversion have always been seen as independent of each other and never as a composite. This study explains how the two behaviors are not only connected but also get transformed into each other. This dynamics drives not only stock market systems but all natural systems. One reason...

A five cent $0.05 investment in Bitcoin on July 17, 2010, the first date in which there appears to have been a published value had grown to $7,383.39 on July 18, 2018. While Bitcoin as a currency has existed for less than a decade ̶ it had a very limited liquidity and usage during the first few...

This paper examines whether policymakers, economists at the Israeli Finance Ministry, act in their personal pension decisions in accordance with the rational behaviour assumptions underlying the pension policies they advance. We find that while economists' decisions regarding three other...

This paper describes the development in trading by retail investors in the securities market in 2019 and 2020 to identify possible changes in times of heightened uncentainty of the crisis. This article is the first that the CNMV has carried out focusing on this type of analysis and it highlights...

This paper examines whether policymakers, economists at the Israeli Finance Ministry, act in their personal pension decisions in accordance with the rational behaviour assumptions underlying the pension policies they advance. We find that while economists' decisions regarding three other...

The efficient-market hypothesis (EMH) is one of the most important economic and financial hypotheses that have been tested over the past century. Due to many abnormal phenomena and conflicting evidence, otherwise known as anomalies against EMH, some academics have questioned whether EMH is...