[c_obs] = xlsread('2013Q2.xls','C4:C84');
[i_obs] = xlsread('2013Q2.xls','D4:D84');
[pi_obs] = xlsread('2013Q2.xls','E4:E84');

[R_obs] = xlsread('2013Q2.xls','G4:G84');
[YOBS_obs] = xlsread('2013Q2.xls','H4:H84');
[R_STAR_obs] = xlsread('2013Q2.xls','I4:I84');

[x_obs] = xlsread('2013Q2.xls','J4:J84');
[y_STAR_obs] = xlsread('2013Q2.xls','K4:K84');
[E_obs] = xlsread('2013Q2.xls','M4:M84');

[w_bar_obs] = xlsread('2013Q2.xls','F4:F84');
[EXPORTS_obs] = xlsread('2013Q2.xls','L4:L84');
[pi_STAR_obs] = xlsread('2013Q2.xls','N4:N84');
[IMPORTS_obs] = xlsread('2013Q2.xls','O4:O84');
[pcom_obs] = xlsread('2013Q2.xls','P4:P84');