| 2024           | 
                                                                                        Detecting zombie firms in a sample of Finnish small firms           | 
                                                                                        Laitinen, Erkki K.           | 
              
          
                                                                                        | 2024           | 
                                                                                        How Do Sales in High-Tech Firms React to Changes in Expenses? Evidence from Finland           | 
                                                                                        Laitinen, Erkki K.           | 
              
          
                                                                                        | 2024           | 
                                                                                        Impact of Markup on Profitability Ratios: Evidence from Finland           | 
                                                                                        Laitinen, Erkki K.           | 
              
          
                                                                                        | 2024           | 
                                                                                        Effect of Expenditure Structure on Profitability Ratios           | 
                                                                                        Laitinen, Erkki K.           | 
              
          
                                                                                        | 2023           | 
                                                                                        Financial Ratios in Women-Owned and Men-Owned Small Firms: Evidence from Finland           | 
                                                                                        Laitinen, Erkki K.; Laitinen, Teija           |