TY - BOOK AU - Goolsbee,Austan TI - In a world without borders : the impact of taxes on Internet commerce AV - HF5415.1265 G664I PY - 1998/// CY - Cambridge, Mass. PB - National Bureau of Economic Research KW - INTERNET MARKETING KW - TAXATION KW - UNITED STATES KW - STATES KW - INTERNET (COMPUTER NETWORK) KW - ECONOMIC ASPECTS KW - Business enterprises KW - COMPUTER NETWORKS KW - SALES TAX ER -