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Jagadeesh Sivadasan - One of the best experts on this subject based on the ideXlab platform.

  • what happens when firms patent new evidence from u s Economic Census data
    The Review of Economics and Statistics, 2011
    Co-Authors: Natarajan Balasubramanian, Jagadeesh Sivadasan
    Abstract:

    Abstract We build a new concordance between the NBER Patent Data and U.S. Census microdata and use it to examine what happens when firms patent. We find strong evidence that increases in patent stock are associated with increases in firm size, scope, and skill and capital intensity. We find somewhat weaker evidence that changes in patenting are positively correlated with changes in total factor productivity. We also analyze first-time patentees and find similar effects following initial patent application. Together, these results suggest that patenting is indeed associated with real changes within firms, in particular with growth through increases in scope.

  • what happens when firms patent new evidence from us Economic Census data
    2009
    Co-Authors: Natarajan Balasubramanian, Jagadeesh Sivadasan
    Abstract:

    We build a new concordance between the NBER Patent Data and US Census micro-data, and use it to examine what happens when firms patent. We find strong evidence that increases in patent stock are associated with increases in firm size and scope as well as with changes in factor intensity. We find somewhat weaker evidence that changes in patenting are positively correlated with changes in total factor productivity. We also analyze a sample of first-time atentees, and find significant increases in firm size, scope, and factor intensity subsequent to their first patent application. Evidence for increases in total factor productivity is slightly weaker. Together, these results suggest that patenting is indeed associated with real changes within rms, and in particular that patenting is strongly associated with firm growth through increases in scope. These findings are robust to alternative measures of size, scope and productivity, and to various sample selection criteria.

  • what happens when rms patent new evidence from us Economic Census data
    2009
    Co-Authors: Natarajan Balasubramanian, Jagadeesh Sivadasan
    Abstract:

    We build a new concordance between the NBER Patent Data and US Census micro-data, and use it to examine what happens when rms patent. We nd strong evidence that increases in patent stock are associated with increases in rm size and scope as well as with changes in factor intensity. We nd somewhat weaker evidence that changes in patenting are positively correlated with changes in total factor productivity. We also analyze a sample of rst-time patentees, and nd signicant increases in rm size, scope, and factor intensity subsequent to their rst patent application. Evidence for increases in total factor productivity is slightly weaker. Together, these results suggest that patenting is indeed associated with real changes within rms, and in particular that patenting is strongly associated with rm growth through increases in scope. These ndings are robust to alternative measures of size, scope and productivity, and to various sample selection criteria.

  • what happens when firms patent new evidence from u s Economic Census data
    2008
    Co-Authors: Natarajan Balasubramanian, Jagadeesh Sivadasan
    Abstract:

    In this study, we present novel statistics on the patenting in US manufacturing and new evidence on the question of what happens when firms patent. We do so by creating a comprehensive firm-patent matched dataset that links the NBER patent data (covering the universe of patents) to firm data from the US Census Bureau (which covers the universe of all firms with paid employees). Our linked dataset covers more than 48,000 unique assignees (compared to about 4,100 assignees covered by the Compustat-NBER link), representing almost two-thirds of all non-individual, non-university, non-government assignees from 1975 to 1997. We use the data to present some basic but novel statistics on the role of patenting in US manufacturing, including strong evidence confirming the highly skewed nature of patenting activity. Next, we examine what happens when firms patent by looking at a large sample of first time patentees. We find that while there are significant cross-sectional differences in size and total factor productivity between patentee firms and non-patentee firms, changes in patentownership status within firms is associated with a contemporaneous and substantial increase in firm size, but little to no change in total factor productivity. This evidence suggests that patenting is associated with firm growth through new product innovations (firm scope) rather than through reduction in the cost of producing existing products (firm productivity). Consistent with this explanation, we find that when firms patent, there is a contemporaneous increase in the number of products that the firms produce. Estimates of (within-firm) elasticity of firm characteristics to patent stock confirm our results. Our findings are robust to alternative measures of size and productivity, and to various sample selection criteria.

Necia Wolff - One of the best experts on this subject based on the ideXlab platform.

Natarajan Balasubramanian - One of the best experts on this subject based on the ideXlab platform.

  • what happens when firms patent new evidence from u s Economic Census data
    The Review of Economics and Statistics, 2011
    Co-Authors: Natarajan Balasubramanian, Jagadeesh Sivadasan
    Abstract:

    Abstract We build a new concordance between the NBER Patent Data and U.S. Census microdata and use it to examine what happens when firms patent. We find strong evidence that increases in patent stock are associated with increases in firm size, scope, and skill and capital intensity. We find somewhat weaker evidence that changes in patenting are positively correlated with changes in total factor productivity. We also analyze first-time patentees and find similar effects following initial patent application. Together, these results suggest that patenting is indeed associated with real changes within firms, in particular with growth through increases in scope.

  • what happens when firms patent new evidence from us Economic Census data
    2009
    Co-Authors: Natarajan Balasubramanian, Jagadeesh Sivadasan
    Abstract:

    We build a new concordance between the NBER Patent Data and US Census micro-data, and use it to examine what happens when firms patent. We find strong evidence that increases in patent stock are associated with increases in firm size and scope as well as with changes in factor intensity. We find somewhat weaker evidence that changes in patenting are positively correlated with changes in total factor productivity. We also analyze a sample of first-time atentees, and find significant increases in firm size, scope, and factor intensity subsequent to their first patent application. Evidence for increases in total factor productivity is slightly weaker. Together, these results suggest that patenting is indeed associated with real changes within rms, and in particular that patenting is strongly associated with firm growth through increases in scope. These findings are robust to alternative measures of size, scope and productivity, and to various sample selection criteria.

  • what happens when rms patent new evidence from us Economic Census data
    2009
    Co-Authors: Natarajan Balasubramanian, Jagadeesh Sivadasan
    Abstract:

    We build a new concordance between the NBER Patent Data and US Census micro-data, and use it to examine what happens when rms patent. We nd strong evidence that increases in patent stock are associated with increases in rm size and scope as well as with changes in factor intensity. We nd somewhat weaker evidence that changes in patenting are positively correlated with changes in total factor productivity. We also analyze a sample of rst-time patentees, and nd signicant increases in rm size, scope, and factor intensity subsequent to their rst patent application. Evidence for increases in total factor productivity is slightly weaker. Together, these results suggest that patenting is indeed associated with real changes within rms, and in particular that patenting is strongly associated with rm growth through increases in scope. These ndings are robust to alternative measures of size, scope and productivity, and to various sample selection criteria.

  • what happens when firms patent new evidence from u s Economic Census data
    2008
    Co-Authors: Natarajan Balasubramanian, Jagadeesh Sivadasan
    Abstract:

    In this study, we present novel statistics on the patenting in US manufacturing and new evidence on the question of what happens when firms patent. We do so by creating a comprehensive firm-patent matched dataset that links the NBER patent data (covering the universe of patents) to firm data from the US Census Bureau (which covers the universe of all firms with paid employees). Our linked dataset covers more than 48,000 unique assignees (compared to about 4,100 assignees covered by the Compustat-NBER link), representing almost two-thirds of all non-individual, non-university, non-government assignees from 1975 to 1997. We use the data to present some basic but novel statistics on the role of patenting in US manufacturing, including strong evidence confirming the highly skewed nature of patenting activity. Next, we examine what happens when firms patent by looking at a large sample of first time patentees. We find that while there are significant cross-sectional differences in size and total factor productivity between patentee firms and non-patentee firms, changes in patentownership status within firms is associated with a contemporaneous and substantial increase in firm size, but little to no change in total factor productivity. This evidence suggests that patenting is associated with firm growth through new product innovations (firm scope) rather than through reduction in the cost of producing existing products (firm productivity). Consistent with this explanation, we find that when firms patent, there is a contemporaneous increase in the number of products that the firms produce. Estimates of (within-firm) elasticity of firm characteristics to patent stock confirm our results. Our findings are robust to alternative measures of size and productivity, and to various sample selection criteria.

Li Jingjin - One of the best experts on this subject based on the ideXlab platform.

Liang Zheng - One of the best experts on this subject based on the ideXlab platform.

  • The impact of state-owned enterprises on the employment growth of manufacturing in Chinese cities: Evidence from Economic Census microdata:
    Urban Studies, 2020
    Co-Authors: Liang Zheng
    Abstract:

    This article utilises Economic Census microdata to examine the impact of state-owned enterprises (SOEs) on the employment growth of manufacturing industries in Chinese cities between 2004 and 2008....

  • What Drives Spatial Clusters of Entrepreneurship in China? Evidence from Economic Census Data
    China Economic Review, 2017
    Co-Authors: Liang Zheng, Zhong Zhao
    Abstract:

    Abstract Since Chinese government initiated Economic reform in the late 1970s, entrepreneurship and private sectors have emerged gradually and played an increasingly important role in promoting Economic growth. However, entrepreneurship is distributed unevenly in China. Using micro data from 2008 Economic Census and 2005 population Census, this paper explains spatial clusters of entrepreneurship for both manufacturing and services. For both sectors, entrepreneurship (measured by new private firms) tends to emerge in places with more relevant upstream and downstream firms. Moreover, Chinitz's (1961) theories are also supported for manufacturing: small upstream and downstream firms seem to be more important for manufacturing entrepreneurship. For both sectors, entrepreneurship is positively related to city size, the share of young adults and the elderly population, and foreign direct investment. More migrants are also found to promote service entrepreneurship. Our paper is the first to consider both manufacturing and service entrepreneurship in China and should be of interest to both local and national policymakers who plan to encourage entrepreneurship.