APPENDIX.
AGE.- Age of the firm, measured as the difference between its creation year and 1990.
RESJUR.- Legal liability. It takes the value 1 if it is limited (Anonymous Societies)
and 0 otherwise (Individual Property; Limited Societies; Cooperatives; others).
INNPRO.- Product innovation. It takes the value 1 if it is a product innovating firm and
0 otherwise. A firm is defined as a product innovator if “in any of the years along the
period an innovation of product has been introduced”.
INNPRC.- Process innovation. It takes the value 1 if it is a process innovating firm and
0 otherwise. A firm is defined as a process innovator if “in any of the years along the
period an innovation of process has been introduced”.
TECHIGH; TECMD; TECLOW.- Sector’s technological development. Sectors are
classified as:
TECHIGH.- It takes the value 1 if the firm belongs to one of these sectors:
Chemical products.
Office and computing machinery
Electrical and electronic machinery
Motor vehicles
Other transport equipment
TECMED.- It takes the value 1 if the firm belongs to one of these sectors:
Basic metals
Non-metallic mineral products
Metal products
Machinery and mechanical equipment
Rubber and plastics
Other manufacturing industries
TECLOW.- It takes the value 1 if the firm belongs to one of these sectors:
Food, beverages and tobacco
Textiles
Leather
Footwear, wearing apparel and other clothing
Wood and cork
Paper, graphic arts and publishing
PROV1, PROV2,PROV3, PROV4.- Provinces are classified as follows:
PROV1.- Barcelona, Madrid.
PROV2.- Alava, La Coruna, Guipuzcoa, Navarra, Sevilla, Valencia, Valladolid,
Vizcaya, Zaragoza.
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