TY JOUR TI STRATEGIC PROSPECTS FOR THE DEVELOPMENT OF THE AIRLINE ENTERPRISE KW financial analysis KW liquidity KW solvency KW business activity KW financial stability KW risk management KW capital structure KW Pulkovo Airport KW investment strategy KW retrospective analysis KW dividend policy KW financial leverage effect KW scenario modeling JO Russian Journal of Management AU Sushko, O.P. PY 2026 IS 14 PB Publishing Center RIOR