****************************************************************************************************
****************************************************************************************************************************
*******************BIBB-IAB-Erwerbstätigenbefragungen 1985/86*********************************
****Bilden der variable für die International Standard Classification of Education*1997***
******************************************************************************************

******************************************************************************************


/*
Herkunft: BIBB-FDZ
Stataversion: 12.0 MP
Quelle:
Schroedter, J. H., Lechert, Y., und Lüttinger, P., (2006): Die Umsetzung der Bildungsskala
ISCED-1997 für die volkszählung 1970, die Mikrozensus-Zusatzerhebung 1971 und die 
Mikrozensen 1976-2004. GESIS.

******************************************************************************************

******************************************************************************************
*********************Recodieren der variablen.
*/
******************************************************************************************
gen deg=0.
replace deg=1 if v133==1 | v133==2 |v146==1 | v147==1 | v148==1 | v151==1 
replace deg=2 if v152<4  
replace deg=3 if v151==1 | v149==1 | v150==1

gen isced=.
replace isced = 2 if v131==2 
replace isced = 3 if v131==3 
replace isced = 4 if deg==1
replace isced = 5 if v131==4 | v131==5 
replace isced = 6 if deg==1 & (v131==5 | v3==4 )
replace isced = 7 if deg==2
replace isced = 8 if deg==3 




*****************labeln
#delimit ;
label define isced
-9 "keine Angabe"
-8 "weiß nicht"
-7 "trifft nicht zu"
-6 "ungültig"
-5 "verweigert"
-4 "not classifiable"
-1 "Filter"
0 "0 Pre-primary education / Kindergarten"
1 "1 Primary education on first stage of basic education / Grundschule"
2 "2b Lower secondary education / Hauptschule"
3 "2a Lower secondary education / Mittlere Reife" 
4 "3b Upper secondary education / Abschulss berufl. Ausbildung"
5 "3a Upper secondary education / Fach-|Hochschulreife"
6 "4a Post secondary non tertiary education / Abi + berufl. Ausbildung"
7 "5b First stage of tertiary education / Meister|Techniker"
8 "5a First stage of tertiary education / Uni FH Abschluss"
9 "6 Second stage of tertiary education / Promotion";
#delimit cr

label value isced isced
label var isced "ISCED 97"