Table 4.

VECM model output

Full sample size: 761, end sample size: 750
AIC −16,948.62, BIC −16,495.85, SSR 1.654678
 ECTInterceptRAP-1RFP-1RSP-1
Equation RAP−0.4515 (0.0922)***0.0001 (0.0013)−0.6646 (0.0950)***−0.7157 (0.2189)**0.9536 (0.1813)***
Equation RFP0.3675 (0.0683)***−0.0005 (0.0010)−0.2018 (0.0704)**0.0276 (0.1623)−0.7246 (0.1344)***
Equation RSP−0.1871 (0.0484)***4e-05 (0.0007)0.3409 (0.0499)***−0.3215 (0.1149)**−0.6953 (0.0952)***
RAP-2RFP-2RSP-2RAP-3RFP-3RSP-3
−0.7100 (0.1055)***−0.5093 (0.2046)*0.7672 (0.1998)***−0.7760 (0.1178)***−0.4443 (0.1900)*0.7384 (0.2132)***
−0.1040 (0.0782)−0.0159 (0.1516)−0.7889 (0.1481)***−0.1016 (0.0873)−0.0662 (0.1408)−0.7530 (0.1581)***
0.4188 (0.0554)***−0.2716 (0.1074)*−0.8043 (0.1049)***0.3976 (0.0619)***−0.2146 (0.0997)*−0.7453 (0.1119)***
RAP-4RFP-4RSP-4RAP-5RFP-5RSP-5
−0.7462 (0.1286)***−0.3115 (0.1740)0.7282 (0.2197)***−0.5123 (0.1352)***−0.2859 (0.1576)0.4554 (0.2171)*
−0.0362 (0.0953)−0.0764 (0.1290)−0.6384 (0.1628)***0.0370 (0.1002)−0.1009 (0.1168)−0.6671 (0.1609)***
0.3943 (0.0675)***−0.1988 (0.0913)*−0.6059 (0.1153)***0.4164 (0.0710)***−0.1788 (0.0828)*−0.5814 (0.1140)***
RAP-6RFP-6RSP-6RAP-7RFP-7RSP-7
−0.3624 (0.1340)**−0.1898 (0.1414)0.3007 (0.2083)−0.2045 (0.1228)−0.1769 (0.1240)0.1836 (0.1909)
0.0571 (0.0993)−0.0968 (0.1048)−0.5528 (0.1544)***0.0709 (0.0910)−0.1330 (0.0919)−0.5198 (0.1415)***
0.3792 (0.0703)***−0.0876 (0.0742)−0.5281 (0.1094)***0.3416 (0.0644)***−0.0816 (0.0651)−0.4063 (0.1002)***
RAP-8RFP-8RSP-8RAP-9RFP-9RSP-9
−0.1128 (0.1054)−0.1415 (0.1047)−0.0169 (0.1645)0.0496 (0.0815)−0.1833 (0.0831)*−0.0974 (0.1296)
0.1340 (0.0781)−0.0743 (0.0776)−0.4679 (0.1219)***0.1171 (0.0604)−0.1003 (0.0616)−0.2891 (0.0961)**
0.2666 (0.0553)***−0.0221 (0.0550)−0.2970 (0.0864)***0.2084 (0.0428)***−0.0534 (0.0436)−0.1964 (0.0680)**
RAP-10RFP-10RSP-10 
0.1119 (0.0506)*−0.1536 (0.0583)**−0.1216 (0.0879)RAP = auction price
0.0543 (0.0375)−0.0795 (0.0432)−0.0934 (0.0651)RFP = futures price
0.0899 (0.0266)***−0.0374 (0.0306)−0.0199 (0.0461)RSP = spot price

Notes:

Figures in parentheses are probability values; The asterisks indicate the following level of significance: ***1%, **5% and *10%

Source: Authors’ calculation based on secondary data

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