TY JOUR TI Assessing the impact of marketplace business communications on customer loyalty and the likelihood of repeat purchases KW marketplaces KW electronic trading platforms KW consumer loyalty KW level of trust KW business communications KW e-commerce KW transaction costs JO Vestnik of Astrakhan State Technical University. Series: Economics AU Vikharev, D.. AU Anisimov, A.. PY 2026 IS 2026 PB Astrakhan State Technical University