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Datahub Datahub Comparative Historical Comparative Historical National Accounts, 1870 National Accounts, 1870­ ­present present Jan Jan­ ­Pieter Pieter Smits Smits Groningen Growth and Development Groningen Growth and Development Centre Centre Debin Debin Ma Ma London School of Economics London School of Economics

Databases Groningen Growth and Databases Groningen Growth and Development Centre Development Centre ­ ­Maddison dataset (Angus Maddison) Maddison dataset (Angus Maddison) ­ ­ICOP/ EU ICOP/ EU­ ­KLEMS (Bart van Ark; KLEMS (Bart van Ark; Marcel Marcel Timmer Timmer) ) ­ ­Comparative Historical National Comparative Historical National Accounts (Jan Accounts (Jan­ ­Pieter Pieter Smits Smits) )

GGDC databases: GGDC databases: www.ggdc.net www.ggdc.net ­ ­Exposure Exposure ­ ­Links to other websites Links to other websites ­ ­International International Datahub Datahub (IEHA) (IEHA)

Aim of the new dataset on Aim of the new dataset on HNaccounts HNaccounts: : ­ ­Disaggregation Disaggregation at industry level at industry level ­ ­Local currencies; Local currencies; ­ ­Estimates in current and constant Estimates in current and constant prices prices ­ ­Construction of historical PPP Construction of historical PPP­ ­ benchmarks (see benchmarks (see Fremdling Fremdling­ ­De De Jong Jong­ ­ Timmer Timmer; ; Frankema Frankema­ ­Smits Smits) )

Data sources: Data sources: ­ ­Old generation national accounts which Old generation national accounts which are not are not digitalised digitalised (Feinstein, Hoffman, (Feinstein, Hoffman, Kendrick) Kendrick) ­ ­New estimates, scholars willing to New estimates, scholars willing to agree their data sets ( agree their data sets (HNacc HNacc for Italy, for Italy, Spain and Portugal) Spain and Portugal) ­ ­Linking to existing networks (see Linking to existing networks (see Nordic Historical National Accounts Nordic Historical National Accounts project and perhaps also to the project and perhaps also to the Hitotsubashi Hitotsubashi project) project)

Need for Need for standardisation standardisation (see (see background paper): background paper): ­ ­Level of aggregation: a flexible Level of aggregation: a flexible framework; framework; ­ ­Output estimates for services Output estimates for services (productivity assumptions) (productivity assumptions) ­ ­Type of deflators Type of deflators ­ ­PPP benchmarks PPP benchmarks

Biases in estimates due to differences in Biases in estimates due to differences in measurement of services, deflators and measurement of services, deflators and PPPs PPPs (see the background paper) (see the background paper) ­ ­Debate on Debate on PPPs PPPs (Ward (Ward­ ­ Devereux/Broadberry controversy, work Devereux/Broadberry controversy, work

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­Ma Ma­ ­Yuan) Yuan) ­ ­Sensitivity analysis deflators, also in Sensitivity analysis deflators, also in contemporary accounts (Dutch level of contemporary accounts (Dutch level of GDP 33% lower in 1807!) GDP 33% lower in 1807!) ­ ­Problems with services Problems with services

Data series constructed so far: Data series constructed so far: ­ ­Scandinavian countries, Netherlands, Scandinavian countries, Netherlands, Belgium, Spain, Portugal, Italy, Belgium, Spain, Portugal, Italy, Germany, UK; Germany, UK; ­ ­United States, Canada, Australia and United States, Canada, Australia and New Zealand New Zealand ­ ­Africa (three regions) Africa (three regions) ­ ­East Asia: Japan, Taiwan, Korea and East Asia: Japan, Taiwan, Korea and China and ... China and ...

Co Co­ ­operation with London School of

• peration with London School of

Economics ( Economics (Debin Debin Ma) Ma) More detailed comments on East Asian More detailed comments on East Asian Statistics Statistics