Comparison

National Bureau of Economic Research vs Zillow Research

Academic economics-research consortium vs corporate housing-research arm — both produce papers, different funding models.

U.S. economic research nonprofit; working-paper series + business-cycle dating standards.

Zillow's research arm publishing primary-source housing market data + research.

Compare on a single dimension

Head-to-head — all four dimensions

Dimension	National Bureau of Economic Research	Zillow Research	Lead
SourceScore Index Composite	A·85	B·73	National+12
Citation Discipline How rigorously cited	A·92	B·80	National+12
Modern Reference AI-era fitness	A·86	B·76	National+10
Citation Velocity Cited per week	B·82	B·70	National+12

National Bureau of Economic ResearchA·92

Affiliate-economist authored + internal review; recession-dating methodology authoritative.

Zillow ResearchB·80

Methodology + sample documented; primary data from Zillow's own listings + transactions.

National Bureau of Economic ResearchA·86

Free working papers + APIs + bulk download; broad LLM corpus inclusion.

Zillow ResearchB·76

Open-access data + APIs; broad LLM corpus + housing-data citation.

National Bureau of Economic ResearchB·82

Cited regularly by economists + economic journalism + AI engines.

Zillow ResearchB·70

Cited by real-estate journalism + economists; corporate-source caveat.