Table A1

Structured procedure for evaluating LE based on the SPAR-4-SLR framework.

Activity
AssemblingIdentificationDomain: Land Economics (LE).
Research objective: Provide a bibliometric retrospective of LE.

Research questions:

  1. What is the current position of LE in the scientific community?

  2. Which are the most cited articles of LE?

  3. Which documents does LE cite more frequently?

  4. Who are the most productive authors, institutions and countries of LE?

  5. How is the co-citation and bibliographic coupling structure of LE?

  6. How is the keyword and topical structure of LE?

AcquisitionSearch platform: WoS Core Collection.
Search period: 1925-2024. The search was performed in May 2025.
Publication Title: Land Economics OR Journal of Land and Public Utility Economics. Results = 5,552.
Additional results: JCR (WoS), Sources (Scopus) and SciVal (Scopus).
ArrangingPurification

Filter 1. Exclude 2025 (1925-2024).

Number of documents: 5,538.

Filter 2: Article & Review & Note.

Final number: 4,399 documents.

Computer software: VOS viewer, bibliometrix, biblioshiny and Microsoft Excel.
AssessingEvaluation

Performance analysis:

  1. Rankings with bibliometric indicators according to the number of articles and citations.

  2. Bibliometric indicators: Number of documents and citations, cites per paper, the H-index, cites per year, papers and cites per capita, and temporal classification.

Graphical analysis:

  1. Mapping with VOS viewer and bibliometrix software.

  2. Analysis with co-citation, bibliographic coupling, and co-occurrence of author keywords.

Agenda proposal method:

  1. Present a bibliometric review of LE between 1925 and 2024.

  2. Analyze the leading and current trends of LE.

  3. Study open questions for future research.

ReportingReporting conventions: Explanations with numbers, tables and figures.

Limitations:

  1. The bibliographic information is from May 2025 but changes through time.

  2. The weaknesses of the WoS database influence the results of this study.

  3. It is not easy to compare the publication and citation characteristics of different subfields.