evidence of market sector spillovers from intangible investment and from public R&D. We find (a) no evidence of spillover … effects from intangible investment at the market sector level, including from R&D, (b) strong evidence of market sector …

of market sector spillovers from intangible investment and from public R&D. We find (a) no evidence of spillover effects … from intangible investment at the market sector level, including from R&D, (b) strong evidence of market sector spillovers …