The phrase "industry specialization" is correct and usable in written English.
You can use it to refer to the situation where companies focus on a particular industry or product market. For example, "The company chose to focus on industry specialization instead of expanding their services into other markets".
In the pottery industry, specialization was carried even further, with shaping, firing, and decoration sometimes done in separate establishments and with workshops specializing in cooking pots, jars, goblets, and funerary urns.
The results are robust with respect to alternative estimation method and alternative measures of industry specialization.
Despite unprecedented volatility in the financial service industry, one bank analyst pulled ahead of her peers regardless of industry specialization.
In other words, Auditor's Industry Specialization improves financial performance of client and the transparency of financial statements.
The results showed that there is a significant negative relationship between Auditor's Industry Specialization and optional commitment items of client.
Organizing the sample this way, we are able to control for the industry specialization of banks using industry fixed effects.
The information communication technology (ICT) outsourcing market is growing larger every year from the increasing number of companies that utilize ICT outsourcing, as industry scale increases and industrial specialization intensifies.
The trend in the startup acceleration industry is specialization.
We then assign to each individual in a certain survey year the TFP growth that occurred in his industry of specialization since the year he entered the job market.
That is, rural is contrasted with urban, agriculture is contrasted with industry and specialization and division of labour are decisive ingredients for the transformation of national economies rather than diversification of inputs and outputs (Barrett et al. 2001; Lanjouw and Lanjouw 2001; Pender et al. 2004).
In one word, if you say what is the strategy for the auto industry, it is specialization.
