No Variable Coefficient Standard error t-value Significance
  Intercept 253.796 100.924 2.515 0.0136
02 Return on capital invested (P) -265.390 67.120 -3.954 0.0001
03 Working capital requirements (W) 144.601 75.222 1.922 0.0575
04 Bank borrowing by UK construction (F) 683.188 84.157 8.118 0.0000
05 Overall insolvency statistics ( Lt-4 ) 0.090 0.006 13.721 0.0000
06 Velocity of circulation of money (V) -241.091 52.546 -4.588 0.0000
07 Interest rate (R) -180.508 290.662 -0.621 0.5361
08 Change in construction output ( DQ ) -569.099 434.285 -1.310 0.1932

Table No 4: Results of initial multiple regression model