. 2023 Jul 28;9(8):e18777. doi: 10.1016/j.heliyon.2023.e18777

Table 2.

Per capita variables and per capita relationship banking service production.

Per capita variable at level $L_{i}$	Relationship of the per-capita variable between all levels	Per-capita RB service production’ & ‘Per-capita determinant variable
$s_{i} = S_{i} / N_{i}$	$s_{1} < s_{2} < s_{3}$	$y_{L_{i}} / s_{L_{i}}$
$c_{i} = C_{i} / N_{i}$	$c_{1} < c_{2}$	$y_{L_{i}} / c_{L_{i}}$
$b_{i} = B_{i} / N_{i}$	$b_{1} < b_{2} < b_{3}$	$y_{L_{i}} / b_{L_{i}}$
$n_{i} = N_{i} / N_{i} = 1$	–	–
$k_{i} = K_{i} / N_{i}$	$k_{1} < k_{2} < k_{3}$	$y_{L_{i}} / k_{L_{i}}$
$r_{i} = R_{i} / N_{i}$	$r_{1} < r_{2} < r_{3}$	$y_{L_{i}} / r_{L_{i}}$
$d_{i} = D_{i} / N_{i}$	$d_{1} < d_{2} < d_{3}$	$y_{L_{i}} / d_{L_{i}}$
$z_{L_{i}} = Z_{L_{i}} / N_{i}$	$z_{L_{1}} < z_{L_{2}} < z_{L_{3}}$
$y_{L_{i}} = Y_{L_{i}} / N_{i}$	$y_{L_{1}} < y_{L_{2}} < y_{L_{3}}$