Abstract
This study investigates the impact of cultural differences on trade decision and trade volume of cultural goods, using the data of traded music compact discs (CDs). According to ethnomusicological and civilization classifications, we classify countries into several groups and make novel variables that properly represent the cultural differences. We use the gravity model of trade proposed in Helpman et al. (The Quarterly Journal of Economics 123(2):441–487, 2008), which is utilized to avoid selection and endogeneity biases of estimation. In addition, we exploit an identifying assumption on the types of consumers, so that one of the cultural variables can satisfy the exclusion restriction in our two-stage estimation procedure. Our empirical hypothesis is that the trade volume of music is larger between two countries with greater cultural familiarity. The empirical results show that cultural differences have significant influences on the trading decision and volume of music traded in addition to the traditional determinants of trade. This finding supports our hypothesis that cultural familiarity promotes the cultural goods trade.
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UNESCO (2009) defines cultural good : “Consumer goods that convey ideas, symbols and ways of life, i.e., books, magazines, multimedia products, software, recordings, films, videos, audio–visual programmes, crafts and fashion.”
In Helpman et al.’s (2008) gravity model, countries firstly decide either to start trading or not (the first-stage selection equation), and then decide how much they trade (the second-stage outcome equation).
Cultural variables are often used as measurements of negotiation costs.
The share of country music in the USA was about 15% in 2014. This is the third largest share. Source: 2014 Nielsen Music Report (http://www.billboard.com/articles/business/6436399/nielsen-music-soundscan-2014-taylor-swift-republic-records-streaming?page=0%2C3).
For example, Garth Brooks, one of the most successful country musicians, who charted in Billboard 200 in 2014, did not chart in Billboard Japan Hot Overseas chart in 2014.
We do not consider the Pygmoid region, as it is difficult to identify the countries that constitute this region.
Note that, following this classification, some countries belong to two or three musical regions. For example, France and Spain belong to Eurasian, Old European, and Modern European regions.
Most of the symbols that we use for variables correspond to those used by Helpman et al. (2008).
\(w_{ij}\) is a concave function and have lower bias if we directly take an expectation. To avoid this bias, we first approximate \(w_{ij}\) with a polynomial in \({\hat{z}}_{ij}\) and \(\hat{{\bar{\eta }}}_{ij}\), and then, we take an expectation of \(w_{ij}\). The value is described as \(E[w_{ij}|\cdot ,I_{ij}=1]=\omega _0+\omega _1{\hat{z}}_{ij}+\omega _2{\hat{z}}_{ij}^2+\omega _3{\hat{z}}_{ij}^3+\hat{{\bar{\eta }}}_{ij}(\omega _4{\hat{z}}_{ij}+\omega _5{\hat{z}}_{ij}^2+\omega _6{\hat{z}}_{ij}^3)\), and we define this as \(h({\hat{z}}_{ij},\hat{{\bar{\eta }}}_{ij})\).
In this case, the row index assign to importer countries and the column index assign to exporter countries.
Other databases that provide trade data include NEBR-UN and CHELEM. However, Comtrade provides a higher level of sector disaggregation (6-digit) and covers a rather unlimited number of countries (Gaulier and Zignago 2010).
The number of file-sharing users in top 16 countries was about 93% in 2003.
Moreover, International Federation of Phonogram and Videogram Producers (2015) reports that in 2014 physical music contents had 46% share, which is equivalent to the digital ones. Therefore, physical goods data do not seem to be outdated for investigating cultural trade.
The global share of digital music was 0% from 2000 to 2003, 2% in 2004, 5% in 2005, and 10% in 2006.
For example, iTunes Store, which is the pioneer of music download service, started their service in 2003 and had provided the service for only four countries in July 2004, and twenty countries in August 2006. Source: Apple Press Info (http://www.apple.com/pr/).
Of course we should consider the digital music contents data if it is traceable. This is the further research topic of this study.
We also check the robustness of estimation model. We do poisson pseudo maximum likelihood estimation and obtain similar result.
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Acknowledgements
I am grateful to Ryuichi Tanaka, Shingo Takagi and Takamune Fujii for constructive discussions and helpful suggestions on my paper. I also wish to show my gratitude to the participants in 9th Workshop of Academic 2015: Center for Regional Economics and Business Network, 10th Workshop of Empirical Moral Science 2016, Workshop at Sapporo Gakuin University 2016 and Japanese Economic Association Autumn Meeting 2016 for providing insightful comments on this paper. I would like to offer my special thanks to two kind editors and two anonymous referees.
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Appendix A
Appendix A
In this section, we will explain how to treat the incidental parameter problem of our two-stage estimation procedure. Our estimation procedure contains two equations.
First, we estimate the trade decision equation. The problem is occurred because our model has fixed effects of importer and exporter. This is the typical case of incidental parameter problem. Fernández-Val and Weidner (2016) propose the bias correction way for nonlinear models that contain two-way fixed effects, and we follow their way to correct the bias. The criterion function of the first-stage equation is
where \(\theta _1\) is a \(K\times 1\) parameter and \(\alpha _{i,i}, \gamma _{1,j}\) are fixed effects country i and j, respectively.
Fernández-Val and Weidner (2016) show that for the bias corrected estimator
it is guaranteed that
This is the strictly exogenous components of \(X_{1,ij}\) case. For the detail of correction terms \(W_1, B_{1,i}\), and \(B_{1,j}\), see Fernández-Val and Weidner (2016).
Then, we estimate the outcome equation. The two-stage estimation bias correction way with one-way fixed effect is proposed in Fernández-Val and Vella (2011). We expand their way to our two-stage estimation with two-way fixed effects model. The criterion function of second-stage equation is
where \(\theta _2\) is a \(M\times 1\) parameter vector, \(\lambda _{ij}\) is a \(L\times 1\) control variables vector, and \(\zeta\) is a \(L\times 1\) coefficient vector. In our case, \(\lambda _{ij}\) can be written as \(\lambda _{ij} = (z_{ij}, z_{ij}^2, z_{ij}^3, z_{ij}\eta _{ij}, z_{ij}^2\eta _{ij}, z_{ij}^3\eta _{ij}, \eta _{ij})\). We can show that for the bias corrected estimator
it is guaranteed that
where
The “tilde” marks represent the regression residuals of the variables on the two-way fixed effects, \(d_{ij}\) is the indicator in the selection equation, and
\(\eta _{ij, \pi }\) and \(\eta _{ij, \pi \pi }\) are values of \(\eta _{ij}\) differentiated by fixed effects once and twice, respectively. \(\psi _{ij}^{(I)}, \psi _{ij}^{(J)}, \beta _{1,i}, \beta _{1,j}, \sigma _{11,i}\), and \(\sigma _{11,j}\) are defined in a way similar to Fernández-Val and Vella (2011).
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Takara, Y. Do cultural differences affect the trade of cultural goods? A study in trade of music. J Cult Econ 42, 393–417 (2018). https://doi.org/10.1007/s10824-017-9313-1
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DOI: https://doi.org/10.1007/s10824-017-9313-1