CREDITOS
IMAGEN:
http://www.google.com/imgres?imgurl=https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgCkQekWROQeuGpFmT92VbtHFBLnXNfKbNuPlrOBtkW5WIYYiFILYIhRvqsWQI9du6Q7AXyeCKlCe5ha4tcLaUfW6AHgXSRE3uT-UAvssHTDYqaz2So50rSulFVsoafqL3Xb1ssX6Ezwm8/s1600/wall-street-sign.jpg&imgrefurl=http://bsomusicadetrasdecamaras.blogspot.com/2010/10/wall-street-el-dinero-nunca-duerme.html&usg=__ji8UX74kRzU9aSoteUijwcc130I=&h=768&w=1024&sz=184&hl=es&start=0&sig2=isg2gCxuKK3xcJrPpmx68w&zoom=1&tbnid=twh2MeOeLwAMpM:&tbnh=123&tbnw=164&ei=4WddTbOoII6osQOD5sXfCg&prev=/images%3Fq%3Dwall%2Bstreet%26um%3D1%26hl%3Des%26sa%3DN%26biw%3D1003%26bih%3D567%26tbs%3Disch:1&um=1&itbs=1&iact=hc&vpx=573&vpy=106&dur=3343&hovh=194&hovw=259&tx=145&ty=85&oei=hGddTf2xMof4sAPhv5HPCg&page=1&ndsp=15&ved=1t:429,r:3,s:0

RESUMEN Y CUADRO:

Case, Kart E. y  Roy C. Fair (2000) Fundamentos de Economía. Prentice Hall. México.