		User j
		Positive Sharing (y)	Negative Sharing (1 − y)
User i	Positive Sharing (x)	$V_{i} + α Δ V - β C; V_{j} + (1 - α) Δ V - (1 - β) C$	$V_{i} - β C; V_{j} + E_{j}$
User i	Negative Sharing (1 − x)	$V_{i} + E_{i}; V_{j} - (1 - β) C$	$V_{i}; V_{j}$