Research on the Technological Innovation Efficiency of China’s Strategic Emerging Industries Based on SBM: NDEA Model and Big Data

Table 3

Comparative analysis of average innovation efficiency in 2002–2013.

Year	Overall efficiency			Knowledge innovation stage			Commercialization stage of scientific and technological achievements
	Technical efficiency	Pure technical efficiency	Scale efficiency	Technical efficiency	Pure technical efficiency	Scale efficiency	Technical efficiency	Pure technical efficiency	Scale efficiency
2002–2004	0.194	0.394	0.510	0.168	0.379	0.515	0.405	0.660	0.584
2003–2005	0.179	0.417	0.452	0.151	0.387	0.428	0.374	0.620	0.633
2004–2006	0.191	0.417	0.458	0.131	0.375	0.409	0.337	0.573	0.564
2005–2007	0.172	0.416	0.453	0.163	0.424	0.461	0.296	0.652	0.458
2006–2008	0.248	0.457	0.543	0.185	0.417	0.430	0.384	0.734	0.526
2007–2009	0.314	0.523	0.614	0.312	0.480	0.732	0.507	0.698	0.738
2008–2010	0.313	0.512	0.660	0.327	0.525	0.724	0.460	0.627	0.762
2009–2011	0.419	0.585	0.736	0.389	0.562	0.739	0.613	0.715	0.853
2010–2012	0.436	0.602	0.746	0.393	0.569	0.743	0.594	0.738	0.804
2011–2013	0.311	0.553	0.586	0.252	0.500	0.547	0.380	0.584	0.664