Does Financial Structure Matter?

We address the issue of whether financial structure influences economic growth. Three competing views of financial structure exist in the literature: the bank-based, the market-based and the financial services view. Recent empirical studies examine their relevance by utilizing panel and cross-section approaches. This paper, for the first time ever, utilizes time series data and methods, along with the Dynamic Heterogeneous Panel approach, on developing countries. We find significant cross-country heterogeneity in the dynamics of financial structure and economic growth, and conclude that it is invalid to pool data across our sample countries. We find significant effects of financial structure on real per capita output, which is in sharp contrast to some recent findings. Panel estimates, in most cases, do not correspond to country-specific estimates, and hence may proffer incorrect inferences for several countries of the panel.Financial Structure, Economic Development, Vector Error- Correction Model, Dynamic Heterogeneous Panels

The Dynamics of International R & D spillovers

Coe and Helpman (1995) among others report positive and equivalent R&D spillovers across groups of countries. However, the nature of their econometric tests does not address the heterogeneity of knowledge diffusion across countries. We empirically examine these issues in a sample of 10 OECD countries by extending both the time span and the coverage of R&D activities in the data set. We find that the elasticity of total factor productivity with respect to domestic and foreign R&D stocks is extremely heterogeneous across countries and that data cannot be pooled. Thus, panel estimates conceal important cross-country differences. The US appears to be a net loser in terms of international R&D spillovers. Our interpretation is that when competitors ‘catch-up’ technologically, they challenge US market shares and investments worldwide. This has implications for US productivity

Are international R&D spillovers costly for the US?

Coe and Helpman (1995) and others report positive and equivalent R&D spillovers across G7 countries. We argue that their homogeneity constraint on spillovers across G7 countries is inappropriate, and show that it is rejected by the data. Extending the data set and applying new empirical approaches, we find: (i) R&D spillovers are extremely heterogeneous across G7 countries; (ii) panel estimates do not correspond to country specific estimates and conceal important cross-country differences in knowledge diffusion; and (iii) the US is a net loser in terms of international R&D spillovers. Our interpretation is that when competitors ‘catch-up’ technologically, they challenge US market shares and investments worldwide and this has implications for US productivity

Examining Private Investment Heterogeneity: Evidence from a Dynamic Panel

domestic private investment, public investment, dynamic heterogeneity, endogeneity, Generalised Method of Moments

Financial Restraints in the South Korean Miracle

We provide novel empirical evidence on the effects of financial restraints on South Korean financial development. The evidence is linked to a simple model of the Korean banking system that encapsulates its cartelised nature, which predicts a positive association between financial development and (i) the degree of state control over the banking system, (ii) mild repression of lending rates. The model also predicts that in the presence of lending rate controls, increases in the level of the administered deposit rate are unlikely to influence financial deepening. We test the model empirically by constructing individual and summary measures of financial restraints. Our empirical findings are consistent with our theoretical predictions but contrast sharply with the predictions of earlier literature that postulates that interest rate ceilings and other financial restraints constitute sources of ‘financial repression’.Financial deepening; financial restraints

Stock Returns and Inflation: Some New Evidence

Using aggregate and industry-wise monthly UK data over a period of 44 years we examine the long run relationship between stock return index (St) and retail price index (Pt) in a VAR framework. Univariate tests confirm Pt as I(2); nevertheless pairs of St and Pt are co-integrated and share common I(1) trend. There is no evidence of shared I(2) trend. We find evidence of shifts in the co- integrating ranks and parameters, and accounting for these shifts improved estimates’ precision. The long run price elasticity of return index is consistently above unity, a finding that stands in sharp contrast to the existing ones. Overall our results suggest that tax-paying stock investors are fully insulated against inflation in the long run