{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,5,19]],"date-time":"2022-05-19T15:14:59Z","timestamp":1652973299968},"reference-count":37,"publisher":"FapUNIFESP (SciELO)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Rev. adm. empres."],"published-print":{"date-parts":[[2015,8]]},"abstract":"<jats:p>RESUMONeste artigo investiga-se a efici\u00eancia do principal mercado de apostas de t\u00eanis em n\u00edvel mundial com recurso a uma base de dados original proveniente da bolsa de apostas Betfair. Em geral, os resultados mostram que os pre\u00e7os constitu\u00edram uma boa previs\u00e3o do resultado final das partidas. Apesar disso, existem evid\u00eancias de que os apostadores sub-reagem \u00e0 informa\u00e7\u00e3o (o que \u00e9 consistente com os enviesamentos de conservadorismo e de ancoragem) e de que atribuem uma probabilidade demasiada elevada de ganho aos jogadores que estejam dominando a partida (consistente com o enviesamento de representatividade). Foram encontradas v\u00e1rias estrat\u00e9gias de aposta lucrativas, o que coloca em quest\u00e3o a efici\u00eancia do mercado de apostas analisado.<\/jats:p>","DOI":"10.1590\/s0034-759020150406","type":"journal-article","created":{"date-parts":[[2015,7,30]],"date-time":"2015-07-30T01:37:45Z","timestamp":1438220265000},"page":"418-431","source":"Crossref","is-referenced-by-count":0,"title":["UM OUTRO OLHAR SOBRE A EFICI\u00caNCIA DOS MERCADOS: O CASO DAS BOLSAS DE APOSTAS DE T\u00caNIS"],"prefix":"10.1590","volume":"55","author":[{"given":"J\u00daLIO","family":"LOB\u00c3O","sequence":"first","affiliation":[{"name":"Universidade do Porto, Portugal"}]},{"given":"NUNO MARQUES","family":"ROLLA","sequence":"additional","affiliation":[{"name":", Portugal"}]}],"member":"530","reference":[{"issue":"2","key":"ref1","doi-asserted-by":"crossref","first-page":"217","DOI":"10.1016\/j.rfe.2006.04.001","article-title":"Psychological barriers in gold prices?","volume":"16","author":"Aggarwal R.","year":"2007","journal-title":"Review of Financial Economics"},{"issue":"4","key":"ref2","doi-asserted-by":"crossref","first-page":"493","DOI":"10.1086\/209625","article-title":"Identifying investor sentiment from price paths: The case of football betting","volume":"72","author":"Avery C.","year":"1999","journal-title":"Journal of Business"},{"issue":"3","key":"ref3","first-page":"307","article-title":"A model of investor sentiment","volume":"49","author":"Barberis N.","year":"1998","journal-title":"Journal of Financial Economics"},{"issue":"3","key":"ref4","doi-asserted-by":"crossref","first-page":"793","DOI":"10.1111\/j.1540-6261.1985.tb05004.x","article-title":"Does the stock market overreact?","volume":"40","author":"Bondt W. de","year":"1985","journal-title":"Journal of Finance"},{"issue":"2","key":"ref5","doi-asserted-by":"crossref","first-page":"257","DOI":"10.1016\/S0169-2070(01)00144-3","article-title":"Predicting the outcomes of National Football League games","volume":"19","author":"Boulier B. 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