a person in the record
Christoph M. Schmidt
German economistborn 1962
Wikidata names David Card as doctoral advisor, lists 5 doctoral students, and lists 7 people they taught. Linked to Wikidata, ORCID, and 6 other registers.

How to read the markscited by a repository's recordstated by Wikidata or indexed by OpenAlexclaimed on an ORCID list, or inferred
Advisors on Wikidata1
From Wikidata, shown separately from the thesis records.
- stated by Wikidata
Students on Wikidata5
From Wikidata, shown separately from the thesis records.
- stated by Wikidataborn 1964
- stated by Wikidataborn 1970
- stated by Wikidataborn 1978
- stated by Wikidataborn 1987
- stated by Wikidata
Taught7
Wikidata's "student of" and "student" statements: a line of training beside the lineage, never a thesis supervision and never counted with one.
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1972
- a teacher or mentor, stated by Wikidata: not a thesis supervisionborn 1978
- a teacher or mentor, stated by Wikidata: not a thesis supervision
- a teacher or mentor, stated by Wikidata: not a thesis supervision
- a teacher or mentor, stated by Wikidata: not a thesis supervision
- a teacher or mentor, stated by Wikidata: not a thesis supervision
- a teacher or mentor, stated by Wikidata: not a thesis supervision
The line above and below4 steps
The advisors of their advisors, four steps up at most, in the thesis records and on Wikidata, each kind marked; a person in both is listed once.
- 1 step up
stated by WikidataDavid Card
- 2 steps up
stated by WikidataOrley Ashenfelter
- 3 steps up
stated by WikidataAlbert Reesstated by WikidataStephen Goldfeld
- 4 steps up
stated by WikidataAlbert Andostated by WikidataFrederick H. Harbisonstated by WikidataH. Gregg Lewis
Below them, within 3 steps, the record reaches 12 people: 12 stated by Wikidata.
Education and career8
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- until 1987studied
- until 1989studied
- until 1991studied
- 1991 to 1995worked
- 1995 to 2002worked
- from 2002worked
- from 2002worked
- undated