Knowledge Architecture:ConceptsObservationsEvidence

Portal Dependency Ratio (PDR)

PDR

Share of Qualified Demand Through Portals Versus Total Qualified Demand

Measured from observed datapublished

PDR measures real estate portal demand dependency.

July 13, 2026
Version 1.0
6 min read
By HomeSelf Research
pdrportal_dependencydistribution_costsreal_estate

Definition

PDR measures the share of qualified real estate demand that arrives through property portals versus total qualified demand. PDR = Qualified Demand Through Portals / Total Qualified Demand. Applicable sector: Real Estate.

PDR quantifies reliance on property portals for qualified demand. Lower PDR indicates stronger direct-to-property capabilities and lower distribution costs.

Conceptual Formula

PDR = Qualified Demand Through Portals / Total Qualified Demand.

Methodology

Type

index construction

Data Sources

lead source datacrm systems

Confidence Level

high

Description

PDR = Qualified Demand Through Portals / Total Qualified Demand.

Limitations

  • Excludes direct inquiries
  • Qualified definition varies

Key Takeaways

Key Points

  • PDR scales 0-1
  • Real estate-specific metric
  • Lead quality indicator

Target Audience

cfomarketing managersreal estate agents

Relevance Tags

pdrportal_dependencydistribution_costsreal_estate

Source Paper

The Zero-Click Economy

HomeSelf Research (2026)

View on Zenodo
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Citation

For the Portal Dependency Ratio (PDR), see HomeSelf Research (2026), The Balance-Sheet Economics of AI-Mediated Demand.

DOI: 10.5281/zenodo.21341632

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