{"id":2687,"date":"2017-04-24T12:20:15","date_gmt":"2017-04-24T10:20:15","guid":{"rendered":"http:\/\/www.supagro.fr\/wordpress\/modeleco\/?page_id=2687"},"modified":"2017-12-01T17:37:13","modified_gmt":"2017-12-01T16:37:13","slug":"activite-18-subventions-solution","status":"publish","type":"page","link":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/auto-formation\/sequence2\/cours3-simuler-une-politique-publique\/lecon-18\/activite-18-subventions-solution\/","title":{"rendered":"Activit\u00e9 19 : Subventions &#8211; Solution"},"content":{"rendered":"<p><strong>1) Avec une subvention de 15\u20ac\/ha, l\u2019IFT de l\u2019exploitation diminue t-il\u00a0? \u00a0Expliquez.<\/strong><br \/>\nAvec une subvention \u00e0 15\u20ac par hectare, l\u2019agriculteur n\u2019est pas incit\u00e9 \u00e0 changer de pratiques et l\u2019IFT moyen ne bouge donc pas. En effet\u00a0 la subvention est inf\u00e9rieure \u00e0 la perte de marge brute \u00e0 l\u2019hectare que repr\u00e9senterait un changement de mode de conduite.<\/p>\n<p><strong>2) Quel est le niveau minimum de la subvention pour que l\u2019agriculteur r\u00e9agisse\u00a0? Quel est le r\u00e9sultat sur l\u2019IFT moyen de l\u2019exploitation\u00a0? sur le revenu de l\u2019agriculteur\u00a0?<\/strong><br \/>\nCe n\u2019est qu\u2019avec une subvention de 25\u20ac\/ha que l\u2019IFT moyen diminue.<\/p>\n<p><strong>3) Simulez un sc\u00e9nario dans lequel \u00a0la subvention est de 30\u20ac\/ha. Cette subvention est-elle efficace\u00a0? Efficiente\u00a0?<\/strong><br \/>\nLa subvention de 30\u20ac\/ha est efficace\u00a0: l\u2019Etat a atteint son objectif. Mais elle est inefficiente. En effet, l\u2019Etat pourrait atteindre ce m\u00eame objectif avec une subvention plus faible (par exemple 25\u20ac\/ha). Pour \u00eatre le plus efficient possible, l\u2019Etat doit trouver le montant de la subvention le plus faible possible (pour diminuer le cout total) mais qui incite l\u2019agriculteur a chang\u00e9 de pratique.<\/p>\n<p><strong>R\u00e9sum\u00e9 des solutions<\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"123\"><strong>Culture<\/strong><\/td>\n<td width=\"90\"><strong>Niveau de rupture<\/strong><\/td>\n<td width=\"79\"><strong>Sc\u00e9nario 1<\/strong><\/td>\n<td width=\"79\"><strong>Sc\u00e9nario 2<\/strong><\/td>\n<td width=\"79\"><strong>Sc\u00e9nario 3<\/strong><\/td>\n<td width=\"85\"><strong>Sc\u00e9nario 4<\/strong><\/td>\n<td width=\"69\"><strong>Sc\u00e9nario 5<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"123\"><strong>IFT limite<\/strong><\/td>\n<td width=\"90\"><strong>\u00a0<\/strong><\/td>\n<td width=\"79\"><strong>3<\/strong><\/td>\n<td width=\"79\"><strong>3<\/strong><\/td>\n<td width=\"79\"><strong>3<\/strong><\/td>\n<td width=\"85\"><strong>3<\/strong><\/td>\n<td width=\"69\"><strong>3<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"123\"><strong>IFT total<\/strong><\/td>\n<td width=\"90\"><strong>\u00a0<\/strong><\/td>\n<td width=\"79\"><strong>4.5<\/strong><\/td>\n<td width=\"79\"><strong>4.5<\/strong><\/td>\n<td width=\"79\"><strong>4.5<\/strong><\/td>\n<td width=\"85\"><strong>3<\/strong><\/td>\n<td width=\"69\"><strong>3<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"123\"><strong>Subvention<\/strong><\/td>\n<td width=\"90\"><strong>\u00a0<\/strong><\/td>\n<td width=\"79\"><strong>0<\/strong><\/td>\n<td width=\"79\"><strong>15<\/strong><\/td>\n<td width=\"79\"><strong>20<\/strong><\/td>\n<td width=\"85\"><strong>25<\/strong><\/td>\n<td width=\"69\"><strong>30<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Bl\u00e9 tendre<\/td>\n<td width=\"90\">Rais<\/td>\n<td width=\"79\">33.333<\/td>\n<td width=\"79\">33.333<\/td>\n<td width=\"79\">33.333<\/td>\n<td width=\"85\">2.083<\/td>\n<td width=\"69\">2.083<\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Bl\u00e9 tendre<\/td>\n<td width=\"90\">protI<\/td>\n<td width=\"79\"><\/td>\n<td width=\"79\"><\/td>\n<td width=\"79\"><\/td>\n<td width=\"85\">31.250<\/td>\n<td width=\"69\">31.250<\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Bl\u00e9 tendre<\/td>\n<td width=\"90\">systCl<\/td>\n<td width=\"79\"><\/td>\n<td width=\"79\"><\/td>\n<td width=\"79\"><\/td>\n<td width=\"85\"><\/td>\n<td width=\"69\"><\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Colza<\/td>\n<td width=\"90\">Rais<\/td>\n<td width=\"79\">33.333<\/td>\n<td width=\"79\">33.333<\/td>\n<td width=\"79\">33.333<\/td>\n<td width=\"85\">2.083<\/td>\n<td width=\"69\">2.083<\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Colza<\/td>\n<td width=\"90\">protI<\/td>\n<td width=\"79\"><\/td>\n<td width=\"79\"><\/td>\n<td width=\"79\"><\/td>\n<td width=\"85\">31.250<\/td>\n<td width=\"69\">31.250<\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Colza<\/td>\n<td width=\"90\">systCl<\/td>\n<td width=\"79\"><\/td>\n<td width=\"79\"><\/td>\n<td width=\"79\"><\/td>\n<td width=\"85\"><\/td>\n<td width=\"69\"><\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Orge de \u00a0hiver<\/td>\n<td width=\"90\">Rais<\/td>\n<td width=\"79\">33.333<\/td>\n<td width=\"79\">33.333<\/td>\n<td width=\"79\">33.333<\/td>\n<td width=\"85\">2.083<\/td>\n<td width=\"69\">2.083<\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Orge de \u00a0hiver<\/td>\n<td width=\"90\">protI<\/td>\n<td width=\"79\"><\/td>\n<td width=\"79\"><\/td>\n<td width=\"79\"><\/td>\n<td width=\"85\">31.250<\/td>\n<td width=\"69\">31.250<\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Orge de \u00a0hiver<\/td>\n<td width=\"90\">systCl<\/td>\n<td width=\"79\"><\/td>\n<td width=\"79\"><\/td>\n<td width=\"79\"><\/td>\n<td width=\"85\"><\/td>\n<td width=\"69\"><\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Chanvre<\/td>\n<td width=\"90\">systCl<\/td>\n<td width=\"79\"><\/td>\n<td width=\"79\"><\/td>\n<td width=\"79\"><\/td>\n<td width=\"85\"><\/td>\n<td width=\"69\"><\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Revenu<\/td>\n<td width=\"90\"><\/td>\n<td width=\"79\">49850<\/td>\n<td width=\"79\">49850<\/td>\n<td width=\"79\">49850<\/td>\n<td width=\"85\">50145.313<\/td>\n<td width=\"69\">50645.313<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Vous pouvez t\u00e9l\u00e9charger la solution et v\u00e9rifier que vous avez bien \u00e9crit le mod\u00e8le et trouvez la m\u00eame solution : <a href=\"http:\/\/www.supagro.fr\/ModelEco\/modeles\/modelEco_bassinParisien_subvention.zip\">modelEco_bassinParisien_subvention.gms<\/a><br \/>\n<a href=\"http:\/\/www.supagro.fr\/wordpress\/modeleco\/auto-formation\/sequence2\/cours3-simuler-une-politique-publique\/lecon-18\/activite-18-subventions\/\" rel=\"attachment wp-att-829\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-829 alignright\" src=\"http:\/\/www.supagro.fr\/wordpress\/modeleco\/files\/2016\/08\/retourAlEnonce.png\" alt=\"retourAlEnonce\" width=\"191\" height=\"67\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1) Avec une subvention de 15\u20ac\/ha, l\u2019IFT de l\u2019exploitation diminue t-il\u00a0? \u00a0Expliquez. Avec une subvention \u00e0 15\u20ac par hectare, l\u2019agriculteur n\u2019est pas incit\u00e9 \u00e0 changer de pratiques et l\u2019IFT moyen ne bouge donc pas. En effet\u00a0 la subvention est inf\u00e9rieure <a class=\"more-link\" href=\"https:\/\/www.supagro.fr\/wordpress\/modeleco\/auto-formation\/sequence2\/cours3-simuler-une-politique-publique\/lecon-18\/activite-18-subventions-solution\/\">Continuer la lecture <span class=\"screen-reader-text\">  Activit\u00e9 19 : Subventions &#8211; Solution<\/span><span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":92,"featured_media":0,"parent":1841,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2687","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/pages\/2687","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/users\/92"}],"replies":[{"embeddable":true,"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/comments?post=2687"}],"version-history":[{"count":7,"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/pages\/2687\/revisions"}],"predecessor-version":[{"id":3684,"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/pages\/2687\/revisions\/3684"}],"up":[{"embeddable":true,"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/pages\/1841"}],"wp:attachment":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modeleco\/wp-json\/wp\/v2\/media?parent=2687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}