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Environmental Turbulence (ET) refers to the uncertainty caused by unforeseen changes in a firm's external environment. Process Quality Management (PQM) is a sub-dimension of Total Quality Management (TQM). However, the literature has not examined the effects of ET on TQM and PQM applications. For firms that want to survive in a dynamic market structure, it is crucial to understand how sub-factors of ET (Market Turbulence (MT), Technological Turbulence (TT), and Competition Intensity (CI)) affect existing relations. We examined whether ET has a moderating or mediating effect on innovation, performance, and PQM. As a result of the study, we discovered that PQM has essential effects on reducing market turbulence and competition intensity.

This study evaluates the efficiency and productivity of technology companies included in the BIST 100 Index and Fortune 500 list using the DEA-Malmquist model. Firstly, technology-oriented efficiency analyses were conducted. In the second stage, we aim to analyze the efficiency trend of longitudinal (panel) data using the Malmquist approach to understand the frontier shift and efficiency changes from 2005 to 2019. R&D expenditure, R&D personnel cost, total personal number, and marketing expenditure were considered as inputs, while total income, export income, and the patent number were considered as outputs. According to the findings, fifteen of twenty-seven firms were on the frontier once, but only three were on the frontier more than three times. Eighteen firms improved in the Malmquist Index (TFPCH) from 2015 to 2019, with the most improvement in 2015-2016. Besides that, in 2019, a performance improvement of seven percent compared to 2015. Furthermore, it is determined that Scale Efficiency scores increase by 0.163 for extra Net Sales of firms.

Considering SMEs' contributions to investment, employment, tax, and export, they play a vital role in the economy. Increasing competition, changes in customer expectations, and global market expansion can dramatically affect the sustainability and competitiveness of SMEs. Therefore, companies, trying to keep up with the changes in their environments and maintain their positions, are to constantly monitor their external environment, collect information and prepare alternative competition plans. Within the scope of this study, the effect of competition and information management strategies of SMEs on innovation and firm performance, along with the mediating effect of information systems, were investigated. Our findings indicate that competition and information management strategies positively affect the firm and innovation performance of the companies. It was also concluded that the information systems partially used mediated the relationship between strategy and performance, strengthening the existing relationship and improving firm performance.