4Archibugi D. The Inter- industry Distribution of Technological Capabilities : a Case Study in the Application of Italian Patenting in the USA [ J ]. Technovation, 1998,7:259 - 274.
7Guerrero V M. Predictive Ability of the Composed Cyclical Indices for the Turning Points of the Mexican Eeonomy[J].Economia Mexicana MUEVA EPOCA.2013,XX I1 (1).
8Gallegati M . Making Leading Indicators More Leading: A Wave- let-base Method for the Construction of Composite Leading Indexes[J]. Journal of Business Cycle Measurement and Analysis,2014,(1).