competitiveness is considered as a key criterion for assessing the success of countries, industries and companies. world economic forum defines competitiveness as the set of institutions, policies and factors that determine the level of productivity. moreover, competitiveness can be defined as acquisition more market share, greater profitability and long-term stability and growth of these indic...

We analyze a model of optimal gerrymandering where two parties receive a noisy signal about voter preferences from a continuous distribution and simultaneously design districts in di¤erent states and in which the median voter in a district determines the winner. The form of the optimal gerrymander involves “slices”of extreme right-wing voters that are paired with “slices” of left-wing voters, a...

The personnel selection problem is a classical decision making problem. It refers to the process of choosing candidates who match, possibly to some degree, the qualifications required to perform a certain job. Personnel selection is an important activity for organizations and usually the outcome of a personnel selection method is an overall ranking of the candidates. This paper introduces two n...

Changes in the U.S. domestic airline route system have increased competition between international gateways. To assist in understanding this phenomenon, a system of models that predicts airline passenger flows resulting from different airline gateway hubbing strategies has been developed. The calibrated rnodels predict baseline passenger Mows quite accurately. The system was then used to projec...