00276nam a2200121Ia 450000500170000008000110001710000210002824500520004926000090010158300210011094200060013199900170013720260716044013.0  aSerial  aHultkrantz, Lars  aPay-as-you-speed : an economic field experiment  c2011  c11/2/11kSANDRAW  cA  c58542d58542