Financial Integration and Monetary Competition
نویسندگان
چکیده
This paper constructs a two-country overlapping generations model with two distinct fiat monies in which seigniorage revenues are used to finance a local public good. Countries differ both in endowments and in the preference for the public good. Under perfect mobility of financial assets benevolent governments choose their rates of growth of money supply strategically and private individuals have perfect foresight. We characterize the equilibrium of the policy game and show how the degree of financial integration affects the welfare of each country. We then consider a currency union and characterize the minimal weights each country would require in the union’s social welfare function to relinquish its monetary power. Résumé : Nous étudions un modèle à générations imbriquées à deux pays et deux monnaies dans lequel le seigneuriage permet de financer un bien public local. Nous considérons deux types d’asymétries : dotations et preferences pour le bien public local. Les gouvernements sont bienveillants et choisissent le taux de croissance de leur masse monétaire qui maximise la somme actualisée des utilités des différentes générations. Les gouvernements ont des comportements stratégiques et les individus ont des prévisions parfaites. Nous caractérisons l’équilibre du jeu entre gouvernements et montrons comment le degré d’intégration financière modifie le bien-être de chaque pays à l’équilibre. Nous nous intéressons enfin à la monnaie unique et caractérisons le poids minimal dans la fonction objectif de la banque centrale commune demandé par chaque gouvernement pour participer à l’union monétaire. Classification JEL : E61, F30, F36 Key-words : Money, overlapping generations, seigniorage Mots-clés : Monnaie, générations imbriquées, inflation. Financial integration and monetary competition Roberto Cardarelli and Jean-Pierre Vidal First draft: November 1997 This draft: May 1998 Résumé Nous étudions un modèle à générations imbriquées à deux pays et deux monnaies dans lequel le seigneuriage permet de financer un bien public local. Nous considérons deux types d’asymétries : dotations et preferences pour le bien public local. Les gouvernements sont bienveillants et choisissent le taux de croissance de leur masse monétaire qui maximise la somme actualisée des utilités des différentes générations. Les gouvernements ont des comportements stratégiques et les individus ont des prévisions parfaites. Nous caractérisons l’équilibre du jeu entre gouvernements et montrons comment le degré d’intégration financière modifie le bien-être de chaque pays à l’équilibre. Nous nous intéressons enfin à la monnaie unique et caractérisons le poids minimal dans la fonction objectif de la banque centrale commune demandé par chaque gouvernement pour participer à l’union monétaire. Mots-clés : monnaie, générations imbriquées, inflation Code JEL : E61, F30 Abstract This paper constructs a two-country overlapping generations model with two distinct fiat monies in which seigniorage revenues are used to finance a local public good. Countries differ both in endowments and in the preference for the public good. Under perfect mobility of financial assets benevolent governments choose their rates of growth of money supply strategically and private individuals have perfect foresight. We characterize the equilibrium of the policy game and show how the degree of financial integration affects the welfare of each country. We then consider a currency union and characterize the minimal weights each country would require in the union’s social welfare function to relinquish its monetary power.
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