{"id":1226,"date":"2016-10-06T16:34:24","date_gmt":"2016-10-06T14:34:24","guid":{"rendered":"http:\/\/www.supagro.fr\/wordpress\/modeleco\/?page_id=1226"},"modified":"2024-07-19T09:17:06","modified_gmt":"2024-07-19T07:17:06","slug":"activite-10","status":"publish","type":"page","link":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/auto-formation\/sequence1\/cours3-probleme-primal-probleme-dual\/activite-10\/","title":{"rendered":"Activity 10A : \u00ab Wheat\/maize \u00bb model \u2013 Hiring workers"},"content":{"rendered":"<h4 style=\"text-align: right\"><u>Length : around 15 minutes<\/u><\/h4>\n<h4 style=\"text-align: right\"><\/h4>\n<p><strong>We have added the possibility of paying for hired labour in lesson 10. The new model is called primal2. Run the model which you wrote or that you can download here <a href=\"https:\/\/www.supagro.fr\/ModelEco\/en\/modeles\/modelEco_primal2.zip\"><em>primal2.zip\u00a0<\/em><\/a>or from the Model library. Change the value of the hired labour price to 10\u20ac, then 20\u20ac, and finally 30\u20ac. Observe the results and answer the following questions.<\/strong><\/p>\n<p><strong>Consider the following problem statement\u00a0:<\/strong><\/p>\n<p><em>\u00ab\u00a0A given farm can grow two types of crop : wheat and maize. The area to be cultivated must be determined for each crop, knowing that :<br \/>\nThe objective of the farmer is to maximize his income.<br \/>\nWheat yields 450\u20ac per hectare, maize 1000\u20ac.<br \/>\nWheat requires 25 hours of labour per hectare and per year, and maize 50 hours.<br \/>\nThe farm area is 50 ha and the farmer can work 2000 hours a year.<\/em><\/p>\n<p><strong><em>But he can hire hourly workers.<\/em> <\/strong>\u00bb<\/p>\n<p>Observe the results and answer the questions.<br \/>\n<script>\n                            if (window.qmn_quiz_data === undefined) {\n                                    window.qmn_quiz_data = new Object();\n                            }\n                    <\/script><script>window.qmn_quiz_data[\"26\"] = {\"quiz_id\":\"26\",\"quiz_name\":\"quiz10A\",\"disable_answer\":0,\"ajax_show_correct\":0,\"progress_bar\":\"0\",\"contact_info_location\":0,\"qpages\":{\"1\":{\"id\":\"1\",\"quizID\":\"26\",\"pagekey\":\"vaQ5w6dD\",\"hide_prevbtn\":\"0\"}},\"skip_validation_time_expire\":0,\"timer_limit_val\":0,\"disable_scroll_next_previous_click\":0,\"disable_scroll_on_result\":0,\"disable_first_page\":\"0\",\"enable_result_after_timer_end\":0,\"enable_quick_result_mc\":0,\"end_quiz_if_wrong\":0,\"form_disable_autofill\":0,\"disable_mathjax\":0,\"enable_quick_correct_answer_info\":0,\"quick_result_correct_answer_text\":\"Correct! You have selected correct answer.\",\"quick_result_wrong_answer_text\":\"Wrong! You have selected wrong answer.\",\"quiz_processing_message\":\"\",\"quiz_limit_choice\":\"Limit of choice is reached.\",\"not_allow_after_expired_time\":0,\"scheduled_time_end\":false,\"prevent_reload\":0,\"limit_email_based_submission\":0,\"total_user_tries\":0,\"is_logged_in\":false,\"error_messages\":{\"email_error_text\":\"Not a valid e-mail address!\",\"number_error_text\":\"This field must be a number!\",\"incorrect_error_text\":\"The entered text is not correct!\",\"empty_error_text\":\"Please complete all required fields!\",\"contact_field_required_error_text\":\"Please complete all required fields!\",\"url_error_text\":\"The entered URL is not valid!\",\"minlength_error_text\":\"Required atleast %minlength% characters.\",\"maxlength_error_text\":\"Maximum %maxlength% characters allowed.\",\"recaptcha_error_text\":\"ReCaptcha is missing\",\"phone_error_text\":\"Phone number is invalid\"},\"questions_settings\":[]}\n                    <\/script>\t\t<div class='qsm-quiz-container qsm-quiz-container-26 qmn_quiz_container mlw_qmn_quiz  quiz_theme_default  '>\n\t\t\t\t\t\t\t\t<form name=\"quizForm26\" id=\"quizForm26\" action=\"\/wordpress\/modelecoen\/wp-json\/wp\/v2\/pages\/1226\" method=\"POST\" class=\"qsm-quiz-form qmn_quiz_form mlw_quiz_form\" novalidate enctype=\"multipart\/form-data\">\n\t\t\t\t<input type=\"hidden\" name=\"qsm_hidden_questions\" id=\"qsm_hidden_questions\" value=\"\">\n\t\t\t\t<input type=\"hidden\" name=\"qsm_nonce\" id=\"qsm_nonce_26\" value=\"3bbfe4bc2e\">\n\t\t\t\t<input type=\"hidden\" name=\"qsm_unique_key\" id=\"qsm_unique_key_26\" value=\"6a0408542f802\">\n\t\t\t\t<div id=\"mlw_error_message\" class=\"qsm-error-message qmn_error_message_section\"><\/div>\n\t\t\t\t<span id=\"mlw_top_of_quiz\"><\/span>\n\t\t\t\t\t\t\t<section class=\"qsm-page \">\n\t\t\t\t\t\t\t\t<div class=\"quiz_section qsm-question-wrapper question-type-0 question-section-id-134 \" data-qid=\"134\">\n\t\t\t\t\t<div class='mlw_qmn_question ' >\n\t\t<p><strong>What is the price of hired labour that allows the farmer to receive a maximum income ?<\/strong><\/p>\n\t<\/div>\n\t\t<fieldset>\n\t\t<legend><\/legend>\n\t<div class='qmn_radio_answers '>\n\t\t\t\t\t\t\t\t<div class=\"qmn_mc_answer_wrap  mrq_checkbox_class\" id=\"question134-1 \">\n\t\t\t\t\t\t\t\t\t\t\t<input type='radio' class='qmn_quiz_radio qmn-multiple-choice-input ' name=\"question134\" id=\"question134_1\" value=\"0\" \/>\n\t\t\t\t\t<label class=\"qsm-input-label\" for=\"question134_1\">\n\t\t\t\t\t10\t\t\t\t\t<\/label>\n\t\t\t\t\t \t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"qmn_mc_answer_wrap  mrq_checkbox_class\" id=\"question134-2 \">\n\t\t\t\t\t\t\t\t\t\t\t<input type='radio' class='qmn_quiz_radio qmn-multiple-choice-input ' name=\"question134\" id=\"question134_2\" value=\"1\" \/>\n\t\t\t\t\t<label class=\"qsm-input-label\" for=\"question134_2\">\n\t\t\t\t\t20\t\t\t\t\t<\/label>\n\t\t\t\t\t \t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"qmn_mc_answer_wrap  mrq_checkbox_class\" id=\"question134-3 \">\n\t\t\t\t\t\t\t\t\t\t\t<input type='radio' class='qmn_quiz_radio qmn-multiple-choice-input ' name=\"question134\" id=\"question134_3\" value=\"2\" \/>\n\t\t\t\t\t<label class=\"qsm-input-label\" for=\"question134_3\">\n\t\t\t\t\t30\t\t\t\t\t<\/label>\n\t\t\t\t\t \t\t\t\t<\/div>\n\t\t\t\t\t \t\t\t<label style=\"display: none !important;\" for=\"question134_none\">None<\/label>\n\t\t\t<input type=\"radio\" style=\"display: none;\" name=\"question134\" id=\"question134_none\" checked=\"checked\" value=\"\" \/>\n\t\t\t\t<\/div>\n\t<\/fieldset>\n\t<input type=\"hidden\" name=\"answer_limit_keys_134\" value=\"\" \/>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"quiz_section qsm-question-wrapper question-type-0 question-section-id-137 \" data-qid=\"137\">\n\t\t\t\t\t<div class='mlw_qmn_question ' >\n\t\t<p><strong>Does the price of hired labour have an impact on crop rotation ?<\/strong><\/p>\n\t<\/div>\n\t\t<fieldset>\n\t\t<legend><\/legend>\n\t<div class='qmn_radio_answers '>\n\t\t\t\t\t\t\t\t<div class=\"qmn_mc_answer_wrap  mrq_checkbox_class\" id=\"question137-1 \">\n\t\t\t\t\t\t\t\t\t\t\t<input type='radio' class='qmn_quiz_radio qmn-multiple-choice-input ' name=\"question137\" id=\"question137_1\" value=\"0\" \/>\n\t\t\t\t\t<label class=\"qsm-input-label\" for=\"question137_1\">\n\t\t\t\t\tYes\t\t\t\t\t<\/label>\n\t\t\t\t\t \t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"qmn_mc_answer_wrap  mrq_checkbox_class\" id=\"question137-2 \">\n\t\t\t\t\t\t\t\t\t\t\t<input type='radio' class='qmn_quiz_radio qmn-multiple-choice-input ' name=\"question137\" id=\"question137_2\" value=\"1\" \/>\n\t\t\t\t\t<label class=\"qsm-input-label\" for=\"question137_2\">\n\t\t\t\t\tNo\t\t\t\t\t<\/label>\n\t\t\t\t\t \t\t\t\t<\/div>\n\t\t\t\t\t \t\t\t<label style=\"display: none !important;\" for=\"question137_none\">None<\/label>\n\t\t\t<input type=\"radio\" style=\"display: none;\" name=\"question137\" id=\"question137_none\" checked=\"checked\" value=\"\" \/>\n\t\t\t\t<\/div>\n\t<\/fieldset>\n\t<input type=\"hidden\" name=\"answer_limit_keys_137\" value=\"\" \/>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"quiz_section qsm-question-wrapper question-type-0 question-section-id-140 \" data-qid=\"140\">\n\t\t\t\t\t<div class='mlw_qmn_question ' >\n\t\t<p><strong>Is it always beneficial for the farmer to hire workers ?<\/strong><\/p>\n\t<\/div>\n\t\t<fieldset>\n\t\t<legend><\/legend>\n\t<div class='qmn_radio_answers '>\n\t\t\t\t\t\t\t\t<div class=\"qmn_mc_answer_wrap  mrq_checkbox_class\" id=\"question140-1 \">\n\t\t\t\t\t\t\t\t\t\t\t<input type='radio' class='qmn_quiz_radio qmn-multiple-choice-input ' name=\"question140\" id=\"question140_1\" value=\"0\" \/>\n\t\t\t\t\t<label class=\"qsm-input-label\" for=\"question140_1\">\n\t\t\t\t\tYes\t\t\t\t\t<\/label>\n\t\t\t\t\t \t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"qmn_mc_answer_wrap  mrq_checkbox_class\" id=\"question140-2 \">\n\t\t\t\t\t\t\t\t\t\t\t<input type='radio' class='qmn_quiz_radio qmn-multiple-choice-input ' name=\"question140\" id=\"question140_2\" value=\"1\" \/>\n\t\t\t\t\t<label class=\"qsm-input-label\" for=\"question140_2\">\n\t\t\t\t\tNo\t\t\t\t\t<\/label>\n\t\t\t\t\t \t\t\t\t<\/div>\n\t\t\t\t\t \t\t\t<label style=\"display: none !important;\" for=\"question140_none\">None<\/label>\n\t\t\t<input type=\"radio\" style=\"display: none;\" name=\"question140\" id=\"question140_none\" checked=\"checked\" value=\"\" \/>\n\t\t\t\t<\/div>\n\t<\/fieldset>\n\t<input type=\"hidden\" name=\"answer_limit_keys_140\" value=\"\" \/>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"quiz_section qsm-question-wrapper question-type-0 question-section-id-143 \" data-qid=\"143\">\n\t\t\t\t\t<div class='mlw_qmn_question ' >\n\t\t<p><strong>At what price is it not beneficial for the farmer to hire workers ?<\/strong><\/p>\n\t<\/div>\n\t\t<fieldset>\n\t\t<legend><\/legend>\n\t<div class='qmn_radio_answers '>\n\t\t\t\t\t\t\t\t<div class=\"qmn_mc_answer_wrap  mrq_checkbox_class\" id=\"question143-1 \">\n\t\t\t\t\t\t\t\t\t\t\t<input type='radio' class='qmn_quiz_radio qmn-multiple-choice-input ' name=\"question143\" id=\"question143_1\" value=\"0\" \/>\n\t\t\t\t\t<label class=\"qsm-input-label\" for=\"question143_1\">\n\t\t\t\t\t20\t\t\t\t\t<\/label>\n\t\t\t\t\t \t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"qmn_mc_answer_wrap  mrq_checkbox_class\" id=\"question143-2 \">\n\t\t\t\t\t\t\t\t\t\t\t<input type='radio' class='qmn_quiz_radio qmn-multiple-choice-input ' name=\"question143\" id=\"question143_2\" value=\"1\" \/>\n\t\t\t\t\t<label class=\"qsm-input-label\" for=\"question143_2\">\n\t\t\t\t\t30\t\t\t\t\t<\/label>\n\t\t\t\t\t \t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"qmn_mc_answer_wrap  mrq_checkbox_class\" id=\"question143-3 \">\n\t\t\t\t\t\t\t\t\t\t\t<input type='radio' class='qmn_quiz_radio qmn-multiple-choice-input ' name=\"question143\" id=\"question143_3\" value=\"2\" \/>\n\t\t\t\t\t<label class=\"qsm-input-label\" for=\"question143_3\">\n\t\t\t\t\t40\t\t\t\t\t<\/label>\n\t\t\t\t\t \t\t\t\t<\/div>\n\t\t\t\t\t \t\t\t<label style=\"display: none !important;\" for=\"question143_none\">None<\/label>\n\t\t\t<input type=\"radio\" style=\"display: none;\" name=\"question143\" id=\"question143_none\" checked=\"checked\" value=\"\" \/>\n\t\t\t\t<\/div>\n\t<\/fieldset>\n\t<input type=\"hidden\" name=\"answer_limit_keys_143\" value=\"\" \/>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"quiz_section qsm-question-wrapper question-type-7 question-section-id-146 \" data-qid=\"146\">\n\t\t\t\t\t<div class='mlw_qmn_question ' >\n\t\t<p><strong>How many hours are payed to hired workers by the farmer if the price of labour is 10\u20ac ?<\/strong><\/p>\n\t<\/div>\n\t\t<input type=\"number\" class=\"mlw_answer_number \" id=\"question146\" name=\"question146\"   placeholder=\"\" \/>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"quiz_section qsm-question-wrapper question-type-7 question-section-id-149 \" data-qid=\"149\">\n\t\t\t\t\t<div class='mlw_qmn_question ' >\n\t\t<p><strong>How many hours are payed to hired workers by the farmer if the price of labour is 20\u20ac ?<\/strong><\/p>\n\t<\/div>\n\t\t<input type=\"number\" class=\"mlw_answer_number \" id=\"question149\" name=\"question149\"   placeholder=\"\" \/>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"quiz_section qsm-question-wrapper question-type-7 question-section-id-152 \" data-qid=\"152\">\n\t\t\t\t\t<div class='mlw_qmn_question ' >\n\t\t<p><strong>How many hours are payed to hired workers by the farmer if the price of labour is 30\u20ac ?<\/strong><\/p>\n\t<\/div>\n\t\t<input type=\"number\" class=\"mlw_answer_number \" id=\"question152\" name=\"question152\"   placeholder=\"\" \/>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/section>\n\t\t\t\t\t<input type=\"hidden\" name=\"qmn_question_list\" value=\"134Q137Q140Q143Q146Q149Q152Q\" \/>\n\t\t\t\t\t\t\t<div id=\"mlw_error_message_bottom\" class=\"qsm-error-message qmn_error_message_section\"><\/div>\n\t\t\t\t\t<input type=\"hidden\" name=\"qmn_all_questions_count\" id=\"qmn_all_questions_count\" value=\"7\" \/>\n\t\t\t\t\t<input type=\"hidden\" name=\"total_questions\" id=\"total_questions\" value=\"7\" \/>\n\t\t\t\t\t<input type=\"hidden\" name=\"timer\" id=\"timer\" value=\"0\" \/>\n\t\t\t\t\t<input type=\"hidden\" name=\"timer_ms\" id=\"timer_ms\" value=\"0\"\/>\n\t\t\t\t\t<input type=\"hidden\" class=\"qmn_quiz_id\" name=\"qmn_quiz_id\" id=\"qmn_quiz_id\" value=\"26\" \/>\n\t\t\t\t\t<input type='hidden' name='complete_quiz' value='confirmation' \/>\n\t\t\t\t\t\t\t\t\t<\/form>\n\t\t\t\t\t\t<\/div>\n\t\t<div style=\"display: none;\" class=\"qsm-popup qsm-popup-slide\" id=\"modal-4\" aria-hidden=\"false\"><div class=\"qsm-popup__overlay\" tabindex=\"-1\" data-micromodal-close=\"\"><div class=\"qsm-popup__container qmn_quiz_container\" role=\"dialog\" aria-modal=\"true\"><div class=\"qsm-popup__content\"><img decoding=\"async\" src=\"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-content\/plugins\/quiz-master-next\/assets\/clock.png\" alt=\"clock.png\"\/><p class=\"qsm-time-up-text\"> Time's up<\/p><\/div><footer class=\"qsm-popup__footer\"><button class=\"qsm-popup-secondary-button qmn_btn\" data-micromodal-close=\"\" aria-label=\"Close this dialog window\" onclick=\"location.reload();\">Cancel<\/button><\/footer><\/div><\/div><\/div><\/p>\n<p><a href=\"http:\/\/www.supagro.fr\/wordpress\/modelecoen\/auto-formation\/sequence1\/cours3-probleme-primal-probleme-dual\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4121 alignright\" src=\"http:\/\/www.supagro.fr\/wordpress\/modelecoen\/files\/2018\/11\/backUnit.png\" alt=\"\" width=\"211\" height=\"66\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Length : around 15 minutes We have added the possibility of paying for hired labour in lesson 10. The new model is called primal2. Run the model which you wrote or that you can download here primal2.zip\u00a0or from the Model <a class=\"more-link\" href=\"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/auto-formation\/sequence1\/cours3-probleme-primal-probleme-dual\/activite-10\/\">Continue reading <span class=\"screen-reader-text\">  Activity 10A : \u00ab Wheat\/maize \u00bb model \u2013 Hiring workers<\/span><span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":92,"featured_media":0,"parent":101,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1226","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/pages\/1226","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/users\/92"}],"replies":[{"embeddable":true,"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/comments?post=1226"}],"version-history":[{"count":18,"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/pages\/1226\/revisions"}],"predecessor-version":[{"id":5115,"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/pages\/1226\/revisions\/5115"}],"up":[{"embeddable":true,"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/pages\/101"}],"wp:attachment":[{"href":"https:\/\/www.supagro.fr\/wordpress\/modelecoen\/wp-json\/wp\/v2\/media?parent=1226"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}