<prompt> Translate the following text to EnglishEhrlich alishindwa na ubishi wa mwaka 1980 na mwanahistoria Julian Simon, ambaye alidai kwamba kila mfuko wa rasilimali Ehrlich angeweza kutaja ungekuwa nafuu zaidi wakati wowote katika siku zijazo.  <response>: Ehrlichs theories lost steam after he lost a famous 1980 bet with economist Julian Simon, who wagered that any basket of resources Ehrlich might name would be cheaper at any date in the future. 