{"id":223,"date":"2010-03-01T17:15:00","date_gmt":"2010-03-01T20:15:00","guid":{"rendered":"http:\/\/scienceblogs.com.br\/hypercubic\/2010\/03\/mercados-de-futuro\/"},"modified":"2010-03-01T17:15:00","modified_gmt":"2010-03-01T20:15:00","slug":"mercados-de-futuro","status":"publish","type":"post","link":"https:\/\/www.blogs.unicamp.br\/hypercubic\/2010\/03\/mercados-de-futuro\/","title":{"rendered":">Mercados de Futuro"},"content":{"rendered":"

><\/p>\n

Nos idos de 1986, o Journal of Portfolio Management<\/i>, jornal americano especializado em economia, publicou um artigo que \u00e0 primeira vista parecia estranho para um peri\u00f3dico financeiro. O t\u00edtulo era “Viagem no tempo \u00e9 imposs\u00edvel? Uma prova financeira”<\/i>. <\/div>\n
<\/div>\n
No artigo, o economista californiano Marc Reinganum observa que se algu\u00e9m tivesse uma m\u00e1quina do tempo, poderia ter uma grande capacidade de manipula\u00e7\u00e3o sobre investimentos e mercados de futuro<\/a>. Tal pessoa poderia usar seu conhecimento dos fatos futuros para acumular lucros imensos. <\/div>\n
<\/div>\n
Reinganum argumenta que se tal coisa acontecesse em larga escala, as taxas de juro acabariam chegando a zero<\/b> (e isso seria juro real, e n\u00e3o aquele “juro zero” dessas promo\u00e7\u00f5es de fim-de-semana). Portanto, o fato de que ainda temos taxas de juro maiores que zero \u00e9 uma prova de que viajantes do tempo n\u00e3o existem. <\/div>\n
<\/div>\n
Por\u00e9m, n\u00e3o se pode confiar muito nas previs\u00f5es de um economista. Mesmo que a economia seja uma ci\u00eancia exata, isso n\u00e3o garante mais exatid\u00e3o em previs\u00f5es futuristas. S\u00e3o famosos os casos de economistas que previam crescimento est\u00e1vel ou mesmo ilimitado \u00e0s v\u00e9speras de uma crise financeira. Foi assim tanto em 1929 quanto em 2008.<\/div>\n","protected":false},"excerpt":{"rendered":"

> Nos idos de 1986, o Journal of Portfolio Management, jornal americano especializado em economia, publicou um artigo que \u00e0 primeira vista parecia estranho para um peri\u00f3dico financeiro. O t\u00edtulo era “Viagem no tempo \u00e9 imposs\u00edvel? Uma prova financeira”. No artigo, o economista californiano Marc Reinganum observa que se algu\u00e9m tivesse uma m\u00e1quina do tempo, […]<\/p>\n","protected":false},"author":486,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"material-hide-sections":[],"pgc_sgb_lightbox_settings":"","_vp_format_video_url":"","_vp_image_focal_point":[],"footnotes":""},"categories":[11,52,92,126],"tags":[],"class_list":["post-223","post","type-post","status-publish","format-standard","hentry","category-a-frente-do-seu-tempo","category-ceticismo","category-economia","category-ficcao-cientifica"],"yoast_head":"\n>Mercados de Futuro - hypercubic<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.blogs.unicamp.br\/hypercubic\/2010\/03\/mercados-de-futuro\/\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Renato Pincelli\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minuto\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2010\\\/03\\\/mercados-de-futuro\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2010\\\/03\\\/mercados-de-futuro\\\/\"},\"author\":{\"name\":\"Renato Pincelli\",\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/#\\\/schema\\\/person\\\/c7be1e2811d061a75d3b4f4960eb53bd\"},\"headline\":\">Mercados de Futuro\",\"datePublished\":\"2010-03-01T20:15:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2010\\\/03\\\/mercados-de-futuro\\\/\"},\"wordCount\":206,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/#organization\"},\"articleSection\":[\"\u00e0 frente do seu tempo\",\"ceticismo\",\"economia\",\"fic\u00e7\u00e3o cient\u00edfica\"],\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2010\\\/03\\\/mercados-de-futuro\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2010\\\/03\\\/mercados-de-futuro\\\/\",\"url\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2010\\\/03\\\/mercados-de-futuro\\\/\",\"name\":\">Mercados de Futuro - 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