Skip to main content

Advertisement

Table 11 Results of Tobit regression coefficients for all different actors and the global supply chain

From: The impact of environmental uncertainty on the performance of the rice supply chain in the Ayeyarwaddy Region, Myanmar

Independent variables Farmers (N = 130) Millers (N = 25) Distributors (N = 39) Global supply chain (N = 194)
TE-CRS TE-VRS SE TE-CRS TE-VRS SE TE-CRS TE-VRS SE TE-CRS TE-VRS SE
Constant 0.9696*** (0.1508) 1.0383*** (0.1483) 1.0949*** (0.1847) 2.0561*** (0.4420) 1.6660*** (0.3301) 1.6607*** (0.4275) 1.3543*** (0.2428) 1.1184*** (0.2252) 1.3112*** (0.2560) 1.1305*** (0.1346) 0.8348*** (0.1344) 1.2432*** (0.1526)
Supply uncertainty − 0.0195 (0.0133) − 0.0151 (0.0131) − 0.0224 (0.0163) 0.0469 (0.0346) 0.0218 (− 0.0573) 0.0439 (0.0312) 0.0072 (0.0204) 0.0311 (0.0189) − 0.0073 (0.0215) − 0.0034 (0.0123) − 0.0008 (0.0121) − 0.0060 (0.0140)
Demand uncertainty − 0.0279 (0.0173) 0.0027 (0.0171) − 0.0276 (0.0212) − 0.0063 (0.0408) − 0.0573 (0.0352) − 0.0449 (0.0456) − 0.1026*** (0.0379) − 0.0715** (0.0351) − 0.0887** (0.0399) − 0.0220 (0.0169) 0.0168 (0.0157) − 0.0203 (0.0191)
Processing uncertainty 0.0082 (0.0186) 0.0022 (0.0183) 0.0109 (0.0228) − 0.1940*** (0.0697) − 0.1276*** (0.0541) − 0.1658** (0.0701) 0.0610 (0.0320) 0.0255 (0.0297) 0.0584 (0.0338) − 0.0072 (0.0174) − 0.0074 (0.0168) − 0.0015 (0.0197)
Planning and control uncertainty − 0.0435*** (0.0104) − 0.0244** (0.0102) − 0.0516*** (0.0127) − 0.0585*** (0.0188) − 0.0253*** (0.0153) − 0.0711*** (0.0198) − 0.0103 (0.0208) 0.0104 (0.0193) − 0.0045 (0.0219) − 0.0421*** (0.0097) − 0.0161 (0.0095) − 0.0497*** (0.0110)
Competitive uncertainty − 0.0115 (0.0104) − 0.0112 (0.0103) − 0.0118 (0.0128) 0.0056 (0.0272) 0.0270 (0.0224) 0.0127 (0.0290) − 0.0052 (0.0263) − 0.0356 (0.0244) 0.0058 (0.0277) − 0.0123 (0.0103) 0.0049 (0.0100) − 0.0152 (0.0117)
Government policy uncertainty − 0.0167 (0.0120) 0.0112 (0.0118) − 0.0297 (0.0147) − 0.0392 (0.0381) 0.0052 (0.0305) − 0.0518 (0.0395) − 0.0142 (0.0289) 0.0210 (0.0258) − 0.0238 (0.0294) − 0.0095 (0.0118) 0.0049 (0.0111) − 0.0228 (0.0133)
Climate uncertainty − 0.0374*** (0.0142) − 0.0478*** (0.0139) − 0.0240 (0.0174) − 0.0999*** (0.0406) 0.0151 (0.0315) − 0.0860** (0.0408) − 0.1417*** (0.0289) − 0.0285 (0.0268) − 0.1339*** (0.0305) − 0.0738*** (0.0135) − 0.0287*** (0.0129) − 0.0644*** (0.0153)
LR test 36.5817*** 19.9360*** 31.5090*** 35.1754*** 11.2776 32.1591*** 29.9492*** 9.3101 27.6637*** 60.9329*** 14.2274*** 55.1842***
  1. Dependent variables are TE-CRS index, TE-VRS index and SE index
  2. Note: figures in the parentheses are standard error
  3. ** significant at 5% level and *** significant at 1% level
  4. Source: own survey (2017) and Eviews 9