A two-decision competition model is developed where players may choose different strategies at different decisions knowing that their payoff at one decision is not affected by their performance at the other. It is shown that both static solution concepts of Nash and evolutionarily stable equilibria for the two-decision model are directly related to those of the separate decisions. Furthermore, if there are at most two pure strategies at each decision, dynamic stability can also be characterised through a separate analysis of each decision. However, when there are more than two strategies, this last statement is not always true.
En utilisant des données provenant d'états financiers d'Hydro Ontario ainsi que les coûts observés d'importation d'électricité dans la province, nous obtenons un estimé sur la rente hydroélectrique qui est potentiellement disponible comme revenu provenant des taxes en Ontario. Nos résultats indiquent que les frais associés à l'utilisation de l'eau en Ontario pourrait être augmentés par un facteur de dix afin de capter cette rente. Nous évaluons l'impact de la taxation de cette rente sur le prix de l'électricité ainsi que les prix des produits manufacturés étant donné qu'une partie importante de la rente potentielle est couramment utilisée à la subvention de la consommation d'électricité. Nous établissons un rapport entre nos résultats et la restructuration dans le marché de l'électricité en Ontario. Using data from the financial statements of Ontario Hydro and an observed cost of importing electricity to the province, we provide an estimate of the hydroelectric rent that is potentially available in Ontario as tax revenue. Our results suggest that the existing water charges in Ontario can be raised tenfold to capture this rent. We assess the impact that fully taxing the rent would have on the prices of electricity and manufacturing products, given that a substantial portion of the potential rent is currently used implicitly to subsidize electricity consumption. We relate our findings to the ongoing restructuring of the electricity market in Ontario.
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