Analysis of information sources in references of the Wikipedia article "Economics" in English language version.
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... in economics, controlled experiments are rare and reproducible controlled experiments even more so ...
{{cite book}}: ISBN / Date incompatibility (help){{cite journal}}: CS1 maint: periodical has ISBN (link){{cite journal}}: CS1 maint: periodical has ISBN (link){{cite journal}}: CS1 maint: periodical has ISBN (link){{cite web}}: CS1 maint: periodical has ISBN (link){{cite journal}}: CS1 maint: periodical has ISBN (link){{cite journal}}: CS1 maint: periodical has ISBN (link){{cite journal}}: CS1 maint: periodical has ISBN (link){{cite journal}}: CS1 maint: periodical has ISBN (link){{cite journal}}: CS1 maint: periodical has ISBN (link){{cite web}}: CS1 maint: periodical has ISBN (link){{cite web}}: CS1 maint: periodical has ISBN (link){{cite journal}}: CS1 maint: periodical has ISBN (link){{cite journal}}: CS1 maint: periodical has ISBN (link){{cite journal}}: CS1 maint: periodical has ISBN (link)The boundaries of what constitutes economics are further blurred by the fact that economic issues are analysed not only by 'economists' but also by historians, geographers, ecologists, management scientists, and engineers.
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