Contains data from patent.dta obs: 2,260 vars: 48 1 Dec 1999 15:54 size: 348,040 (65.8% of memory free) ------------------------------------------------------------------------------- storage display value variable name type format label variable label ------------------------------------------------------------------------------- cusip float %9.0g firm identifier merger byte %9.0g =1 if major merger employ float %10.3f employees in 1000s return float %9.0g return on stock, % patents int %9.0g patents applied for patentsg int %9.0g patents granted stckpr float %9.0g price common stock rnd float %9.0g R&D expend, current mill $ rndeflt float %9.0g R&D expend, 1972 mill $ rndstck float %9.0g stock of R&D sales float %9.0g sales, current mill. $ sic int %9.0g 4 digit industry year byte %9.0g 72 through 81 y72 byte %9.0g y73 byte %9.0g y74 byte %9.0g y75 byte %9.0g y76 byte %9.0g y77 byte %9.0g y78 byte %9.0g y79 byte %9.0g y80 byte %9.0g y81 byte %9.0g lrnd float %9.0g log(1+rnd) lsales float %9.0g log(sales) lpat float %9.0g log(1+patents) rnd_1 float %9.0g rnd_2 float %9.0g rnd_3 float %9.0g rnd_4 float %9.0g rnd_5 float %9.0g lrnd_1 float %9.0g lrnd_2 float %9.0g lrnd_3 float %9.0g lrnd_4 float %9.0g lrnd_5 float %9.0g clpat float %9.0g clrnd float %9.0g clrnd_1 float %9.0g clrnd_2 float %9.0g clrnd_3 float %9.0g clrnd_4 float %9.0g clrnd_5 float %9.0g clsales float %9.0g lrnd_6 float %9.0g lrnd_7 float %9.0g lrnd_8 float %9.0g lrnd_9 float %9.0g ------------------------------------------------------------------------------- Sorted by: cusip year