Strange Stars with a Density-Dependent Bag Parameter

We have studied strange quark stars in the framework of the MIT bag model, allowing the bag parameter B to depend on the density of the medium. We have also studied the effect of Cooper pairing among quarks, on the stellar structure. Comparison of these two effects shows that the former is generally more significant. We studied the resulting equation of state of the quark matter, stellar mass-radius relation, mass-central-density relation, radius-central-density relation, and the variation of the density as a function of the distance from the centre of the star. We found that the density-dependent B allows stars with larger masses and radii, due to stiffening of the equation of state. Interestingly, certain stellar configurations are found to be possible only if B depends on the density. We have also studied the effect of variation of the superconducting gap parameter on our results.Comment: 23 pages, 8 figs; v2: 25 pages, 9 figs, version to be published in Phys. Rev. (D

China, India and Industrial Policy for Inclusive Growth

This paper discusses a possible case for industrial policy, with special reference to the two emerging global giants, China and India. It begins with a clarification of the meaning of industrial policy, since not only does the term mean different things to different people, but the traditional and narrow definitions leads to significantly different conclusions than more recent, broader definitions. In the context of definition of the term, the paper also reviews the arguments for and against industrial policy, and discusses industrial policy in the context of globalization, including the evolution of multilateral trading rules. The main arguments of the paper discuss the Chinese and Indian economies, exploring in particular their past experience with variants of industrial policies. The similarities of the China model to past East Asian experience are explored, while the contrasts of India's development, and the distinction between liberalization and reform are examined. These two major country cases form the basis for a consolidation of recent conceptual ideas, where effective and successful industrial policy is viewed as part of a social contract, creating a pathway to inclusive growth