For some, the income distribution is the first example of a power law, empiric rule whereof an random variable reaches high values with a low probability and low values with a high probability. This article corroborates if the income distribution of the richest Colombians adjusts to a power law....

This article characterises the commercial airline transport market in Colombia and then develops a reputation model describing the relationship between airlines and consumers. Grossman and Hart's pioneering work (1986) is thus used for modelling horizontal integration between firms and is then...

This article shows that for a citizen with reciprocal preferences, voting can be a rational act. Even in elections with many voters, when the probability of being the pivotal voter is close to zero, the utility generated by strong reciprocal sentiments can compensate the material costs of...

This article shows that for a citizen with reciprocal preferences, voting can be a rational act. Even in elections with many voters, when the probability of being the pivotal voter is close to zero, the utility generated by strong reciprocal sentiments can compensate the material costs of...