![Transcription Center logo](/themes/custom/tc_theme/assets/image/logo.png)
This transcription has been completed. Contact us with corrections.
28 if somebody [[strikethrough]] of [[/strikethrough]] making mats which at low end of ranking, know they're in trouble because opport. cost of that job near zero 29 Feb 11 - marginal productivity + marginal utility marginal utility - 1st unit most valuable, 2nd less valuable in utility, etc. marginal productivity - 1st unit increases productivity the most, 2nd less productive, etc. example H.K. fishing boats, formerly lived on boats (used to be considered not really Chinese by land-based Chinese) when motorized made possible living on land - to consider marginal utility must consider fact no longer outcast group, kids can attend schools, become much more mobile in trad. system just look at yields + output not motors more costly + must pay for gas but when consider all trade - offs is worth it marginal utility of 1st unit (motor) high, but then some began to get longer engines - increased yield compared to cost not as great, but still high then still larger but then sold largest