Public information arrivals and their immediate incorporation in asset price is a key component of semi-strong form of the Efficient Market Hypothesis. In this study, we explore the impact of public information arrivals on cryptocurrency market via Twitter posts. The empirical analysis was...

In this paper, we have proposed a general approach to obtain a projection of the nearest targets and minimum distance for a given unit. The method takes undesirable output into account. The idea behind it is that nearest targets and minimum distance lead to less variation in inputs and outputs...

We develop a theoretical framework that allows us to study which bilateral links and coalition structures are going to emerge at equilibrium. We define the notion of coalitional network to represent a network and a coalition structure, where the network speciÖes the nature of the relationship...

The Efficient-Market Hypothesis (EMH) asserts that efficient markets are informationally efficient or all information (market, public or private) should reflect on stock prices. No one could earn excess profit using any kind of information in efficient market. There are three forms of efficiency...

The paper examines stock market behaviour on days preceding and succeeding the announcement of a change in the monetary policy stance. Market's plausible reactions are tested using nonparametric statistics. The tests reveals that there is no systematic pattern in its reaction, neither towards...