Between the Cost Crisis and the Energy Transition: Why PV Self-Sufficiency Is Becoming a Strategic Competitive Factor for Industry. Results of a Qualitative Study Comparing Germany and China International Journal of Psychology and Strategic Communication Wittmann Foundation 2026-06-02 https://doi.org/10.61030/FMKU5576 https://ijpsc.org/between-the-cost-crisis-and-the-energy-transition-why-pv-self-sufficiency-is-becoming-a-strategic-competitive-factor-for-industry-results-of-a-qualitative-study-comparing-germany-and-china/ https://creativecommons.org/licenses/by/4.0/