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T=30; N=46;

W=normw(W1); y=A(:,3); x=A(:,[4,6]);

xconstant=ones(N*T,1); [nobs K]=size(x);

results=ols(y,[xconstant x]);

vnames=strvcat('logcit','intercept','logp','logy'); prt_reg(results,vnames,1); sige=results.sige*((nobs-K)/nobs);

loglikols=-nobs/2*log(2*pi*sige)-1/(2*sige)*results.resid'*results.resid % The (robust)LM tests developed by Elhorst

LMsarsem_panel(results,W,y,[xconstant x]); % (Robust) LM tests ½âÊÍ

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¸ÃÃæ°åÊý¾ÝÓÐ30¸öµØÇø£¨N=30£©£¬ ½«¿Õ¼äÈ¨ÖØ¾ØÕó±ê×¼»¯£¨W=normw(w1)£©£¬ ½«ÃûΪA£¨ÒÔ¾ØÕóÐÎʽ³öÏÖÔÚMATLABAÖУ©µÄ±äÁ¿µÄµÚ3ÁÐÊý¾Ý¶¨ÒåΪ±»½âÊͱäÁ¿y, ½«ÃûΪAµÄ±äÁ¿µÄµÚ4¡¢5¡¢6ÁÐÊý¾Ý¶¨ÒåΪ½âÊͱäÁ¿¾ØÕóx£¬ ¶¨ÒåÒ»¸öÓÐN*TÐУ¬1ÁеÄÈ«1¾ØÕ󣬸þØÕóÃûΪ£ºxconstant£¬£¨ones¼´ÎªÈ«1¾ØÕó£© ËµÃ÷½âÊͱäÁ¿¾ØÕóxµÄ´óС£ºÓÐnobsÐУ¬KÁС££¨sizeΪÃèÊö¾ØÕóµÄ´óС£©¡£ ¸½Â¼£º

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1¡¢ÆÕÍ¨Ãæ°å±à³Ì

T=30; N=46;

W=normw(W1); y=A(:,3); x=A(:,[4,6]);

xconstant=ones(N*T,1); [nobs K]=size(x);

results=ols(y,[xconstant x]);

6

vnames=strvcat('logcit','intercept','logp','logy'); prt_reg(results,vnames,1); sige=results.sige*((nobs-K)/nobs);

loglikols=-nobs/2*log(2*pi*sige)-1/(2*sige)*results.resid'*results.resid

% The (robust)LM tests developed by Elhorst

LMsarsem_panel(results,W,y,[xconstant x]); % (Robust) LM tests

2¡¢¿Õ¼ä¹Ì¶¨OLS £¨spatial-fixed effects£© T=30; N=46;

W=normw(W1); y=A(:,3); x=A(:,[4,6]);

xconstant=ones(N*T,1); [nobs K]=size(x); model=1;

[ywith,xwith,meanny,meannx,meanty,meantx]=demean(y,x,N,T,model);

results=ols(ywith,xwith);

vnames=strvcat('logcit','logp','logy'); % should be changed if x is changed

7

prt_reg(results,vnames);

sfe=meanny-meannx*results.beta; % including the constant term yme = y - mean(y); et=ones(T,1);

error=y-kron(et,sfe)-x*results.beta; rsqr1 = error'*error; rsqr2 = yme'*yme;

FE_rsqr2 = 1.0 - rsqr1/rsqr2 % r-squared including fixed effects sige=results.sige*((nobs-K)/nobs);

logliksfe=-nobs/2*log(2*pi*sige)-1/(2*sige)*results.resid'*results.resid

LMsarsem_panel(results,W,ywith,xwith); % (Robust) LM tests

3¡¢Ê±ÆÚ¹Ì¶¨OLS£¨time-period fixed effects£© T=30; N=46;

W=normw(W1); y=A(:,3); x=A(:,[4,6]);

xconstant=ones(N*T,1); [nobs K]=size(x); model=2;

8

[ywith,xwith,meanny,meannx,meanty,meantx]=demean(y,x,N,T,model);

results=ols(ywith,xwith);

vnames=strvcat('logcit','logp','logy'); % should be changed if x is changed

prt_reg(results,vnames);

tfe=meanty-meantx*results.beta; % including the constant term yme = y - mean(y); en=ones(N,1);

error=y-kron(tfe,en)-x*results.beta; rsqr1 = error'*error; rsqr2 = yme'*yme;

FE_rsqr2 = 1.0 - rsqr1/rsqr2 % r-squared including fixed effects sige=results.sige*((nobs-K)/nobs);

logliktfe=-nobs/2*log(2*pi*sige)-1/(2*sige)*results.resid'*results.resid

LMsarsem_panel(results,W,ywith,xwith); % (Robust) LM tests

4¡¢¿Õ¼äÓëʱ¼äË«¹Ì¶¨Ä£ÐÍ T=30; N=46;

W=normw(W1);

9

y=A(:,3); x=A(:,[4,6]);

xconstant=ones(N*T,1); [nobs K]=size(x); model=3;

[ywith,xwith,meanny,meannx,meanty,meantx]=demean(y,x,N,T,model);

results=ols(ywith,xwith);

vnames=strvcat('logcit','logp','logy'); % should be changed if x is changed

prt_reg(results,vnames) en=ones(N,1); et=ones(T,1);

intercept=mean(y)-mean(x)*results.beta;

sfe=meanny-meannx*results.beta-kron(en,intercept); tfe=meanty-meantx*results.beta-kron(et,intercept); yme = y - mean(y); ent=ones(N*T,1);

error=y-kron(tfe,en)-kron(et,sfe)-x*results.beta-kron(ent,intercept); rsqr1 = error'*error; rsqr2 = yme'*yme;

FE_rsqr2 = 1.0 - rsqr1/rsqr2 % r-squared including fixed effects

10

sige=results.sige*((nobs-K)/nobs);

loglikstfe=-nobs/2*log(2*pi*sige)-1/(2*sige)*results.resid'*results.resid

LMsarsem_panel(results,W,ywith,xwith); % (Robust) LM tests

¶þ¡¢¾²Ì¬Ãæ°åSARÄ£ÐÍ

1¡¢Î޹̶¨Ð§Ó¦£¨No fixed effects£©

T=30; N=46; W=normw(W1); y=A(:,[3]); x=A(:,[4,6]); for t=1:T

t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:); end

xconstant=ones(N*T,1); [nobs K]=size(x); info.lflag=0; info.model=0; info.fe=0;

results=sar_panel_FE(y,[xconstant x],W,T,info); vnames=strvcat('logcit','intercept','logp','logy'); prt_spnew(results,vnames,1)

% Print out effects estimates spat_model=0;

direct_indirect_effects_estimates(results,W,spat_model); panel_effects_sar(results,vnames,W);

2¡¢¿Õ¼ä¹Ì¶¨Ð§Ó¦£¨Spatial fixed effects£©

T=30; N=46; W=normw(W1); y=A(:,[3]); x=A(:,[4,6]); for t=1:T

11

t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:); end

xconstant=ones(N*T,1); [nobs K]=size(x); info.lflag=0; info.model=1; info.fe=0;

results=sar_panel_FE(y,x,W,T,info); vnames=strvcat('logcit','logp','logy'); prt_spnew(results,vnames,1)

% Print out effects estimates spat_model=0;

direct_indirect_effects_estimates(results,W,spat_model); panel_effects_sar(results,vnames,W);

3¡¢Ê±µã¹Ì¶¨Ð§Ó¦£¨Time period fixed effects£©

T=30; N=46; W=normw(W1); y=A(:,[3]); x=A(:,[4,6]); for t=1:T

t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:); end

xconstant=ones(N*T,1); [nobs K]=size(x);

info.lflag=0; % required for exact results info.model=2;

info.fe=0; % Do not print intercept and fixed effects; use info.fe=1 to turn on

results=sar_panel_FE(y,x,W,T,info); vnames=strvcat('logcit','logp','logy'); prt_spnew(results,vnames,1)

% Print out effects estimates spat_model=0;

direct_indirect_effects_estimates(results,W,spat_model); panel_effects_sar(results,vnames,W);

4¡¢Ë«¹Ì¶¨Ð§Ó¦£¨Spatial and time period fixed effects£©

T=30;

12

N=46; W=normw(W1); y=A(:,[3]); x=A(:,[4,6]); for t=1:T

t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:); end

xconstant=ones(N*T,1); [nobs K]=size(x);

info.lflag=0; % required for exact results info.model=3;

info.fe=0; % Do not print intercept and fixed effects; use info.fe=1 to turn on

results=sar_panel_FE(y,x,W,T,info); vnames=strvcat('logcit','logp','logy'); prt_spnew(results,vnames,1) % Print out effects estimates spat_model=0;

direct_indirect_effects_estimates(results,W,spat_model); panel_effects_sar(results,vnames,W);

Èý¡¢¾²Ì¬Ãæ°åSDMÄ£ÐÍ

1¡¢Î޹̶¨Ð§Ó¦£¨No fixed effects£©

T=30; N=46; W=normw(W1); y=A(:,[3]); x=A(:,[4,6]); for t=1:T

t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:); end

xconstant=ones(N*T,1); [nobs K]=size(x); info.lflag=0; info.model=0; info.fe=0;

results=sar_panel_FE(y,[xconstant x wx],W,T,info);

vnames=strvcat('logcit','intercept','logp','logy','W*logp','W*logy'); prt_spnew(results,vnames,1)

13

% Print out effects estimates spat_model=1;

direct_indirect_effects_estimates(results,W,spat_model); panel_effects_sdm(results,vnames,W);

2¡¢¿Õ¼ä¹Ì¶¨Ð§Ó¦£¨Spatial fixed effects£©

T=30; N=46; W=normw(W1); y=A(:,[3]); x=A(:,[4,6]); for t=1:T

t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:); end

xconstant=ones(N*T,1); [nobs K]=size(x);

info.lflag=0; % required for exact results info.model=1;

info.fe=0; % Do not print intercept and fixed effects; use info.fe=1 to turn on

results=sar_panel_FE(y,[x wx],W,T,info);

vnames=strvcat('logcit','logp','logy','W*logp','W*logy'); prt_spnew(results,vnames,1) % Print out effects estimates spat_model=1;

direct_indirect_effects_estimates(results,W,spat_model); panel_effects_sdm(results,vnames,W);

3¡¢Ê±µã¹Ì¶¨Ð§Ó¦£¨Time period fixed effects£©

T=30; N=46; W=normw(W1); y=A(:,[3]); x=A(:,[4,6]); for t=1:T

t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:); end

xconstant=ones(N*T,1); [nobs K]=size(x);

info.lflag=0; % required for exact results info.model=2;

info.fe=0; % Do not print intercept and fixed effects; use info.fe=1 to

14

turn on

% New routines to calculate effects estimates results=sar_panel_FE(y,[x wx],W,T,info);

vnames=strvcat('logcit','logp','logy','W*logp','W*logy'); % Print out coefficient estimates prt_spnew(results,vnames,1) % Print out effects estimates spat_model=1;

direct_indirect_effects_estimates(results,W,spat_model); panel_effects_sdm(results,vnames,W)

4¡¢Ë«¹Ì¶¨Ð§Ó¦£¨Spatial and time period fixed effects£©

T=30; N=46; W=normw(W1); y=A(:,[3]); x=A(:,[4,6]); for t=1:T

t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:); end

xconstant=ones(N*T,1); [nobs K]=size(x); info.bc=0;

info.lflag=0; % required for exact results info.model=3;

info.fe=0; % Do not print intercept and fixed effects; use info.fe=1 to turn on

results=sar_panel_FE(y,[x wx],W,T,info);

vnames=strvcat('logcit','logp','logy','W*logp','W*logy'); prt_spnew(results,vnames,1) % Print out effects estimates spat_model=1;

direct_indirect_effects_estimates(results,W,spat_model); panel_effects_sdm(results,vnames,W)

wald test spatial lag

% Wald test for spatial Durbin model against spatial lag model btemp=results.parm; varcov=results.cov; Rafg=zeros(K,2*K+2); for k=1:K

15

Rafg(k,K+k)=1; % R(1,3)=0 and R(2,4)=0; end

Wald_spatial_lag=(Rafg*btemp)'*inv(Rafg*varcov*Rafg')*Rafg*btemp prob_spatial_lag=1-chis_cdf (Wald_spatial_lag, K)

wald test spatial error

% Wald test spatial Durbin model against spatial error model R=zeros(K,1); for k=1:K

R(k)=btemp(2*K+1)*btemp(k)+btemp(K+k); % k changed in 1, 7/12/2010 % R(1)=btemp(5)*btemp(1)+btemp(3); % R(2)=btemp(5)*btemp(2)+btemp(4); end

Rafg=zeros(K,2*K+2); for k=1:K

Rafg(k,k) =btemp(2*K+1); % k changed in 1, 7/12/2010 Rafg(k,K+k) =1; Rafg(k,2*K+1)=btemp(k);

% Rafg(1,1)=btemp(5);Rafg(1,3)=1;Rafg(1,5)=btemp(1); % Rafg(2,2)=btemp(5);Rafg(2,4)=1;Rafg(2,5)=btemp(2); end

Wald_spatial_error=R'*inv(Rafg*varcov*Rafg')*R prob_spatial_error=1-chis_cdf (Wald_spatial_error,K)

LR test spatial lag

resultssar=sar_panel_FE(y,x,W,T,info); LR_spatial_lag=-2*(resultssar.lik-results.lik) prob_spatial_lag=1-chis_cdf (LR_spatial_lag,K)

LR test spatial error

resultssem=sem_panel_FE(y,x,W,T,info);

LR_spatial_error=-2*(resultssem.lik-results.lik) prob_spatial_error=1-chis_cdf (LR_spatial_error,K)

5¡¢¿Õ¼äËæ»úЧӦÓëʱµã¹Ì¶¨Ð§Ó¦Ä£ÐÍ

T=30;

16

N=46; W=normw(W1); y=A(:,[3]); x=A(:,[4,6]); for t=1:T

t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:); end

xconstant=ones(N*T,1); [nobs K]=size(x);

[ywith,xwith,meanny,meannx,meanty,meantx]=demean(y,[x wx],N,T,2); % 2=time dummies info.model=1;

results=sar_panel_RE(ywith,xwith,W,T,info); prt_spnew(results,vnames,1)

spat_model=1;

direct_indirect_effects_estimates(results,W,spat_model); panel_effects_sdm(results,vnames,W)

wald test spatial lag

btemp=results.parm(1:2*K+2); varcov=results.cov(1:2*K+2,1:2*K+2); Rafg=zeros(K,2*K+2); for k=1:K

Rafg(k,K+k)=1; % R(1,3)=0 and R(2,4)=0; end

Wald_spatial_lag=(Rafg*btemp)'*inv(Rafg*varcov*Rafg')*Rafg*btemp prob_spatial_lag= 1-chis_cdf (Wald_spatial_lag, K)

wald test spatial error

R=zeros(K,1); for k=1:K

R(k)=btemp(2*K+1)*btemp(k)+btemp(K+k); % k changed in 1, 7/12/2010 % R(1)=btemp(5)*btemp(1)+btemp(3); % R(2)=btemp(5)*btemp(2)+btemp(4); end

Rafg=zeros(K,2*K+2); for k=1:K

Rafg(k,k) =btemp(2*K+1); % k changed in 1, 7/12/2010

17

Rafg(k,K+k) =1; Rafg(k,2*K+1)=btemp(k);

% Rafg(1,1)=btemp(5);Rafg(1,3)=1;Rafg(1,5)=btemp(1); % Rafg(2,2)=btemp(5);Rafg(2,4)=1;Rafg(2,5)=btemp(2); end

Wald_spatial_error=R'*inv(Rafg*varcov*Rafg')*R prob_spatial_error= 1-chis_cdf (Wald_spatial_error,K)

LR test spatial lag

resultssar=sar_panel_RE(ywith,xwith(:,1:K),W,T,info); LR_spatial_lag=-2*(resultssar.lik-results.lik) prob_spatial_lag=1-chis_cdf (LR_spatial_lag,K)

LR test spatial error

resultssem=sem_panel_RE(ywith,xwith(:,1:K),W,T,info); LR_spatial_error=-2*(resultssem.lik-results.lik) prob_spatial_error=1-chis_cdf (LR_spatial_error,K)

ËÄ¡¢¾²Ì¬Ãæ°åSEMÄ£ÐÍ

1¡¢Î޹̶¨Ð§Ó¦£¨No fixed effects£©

T=30; N=46; W=normw(W1); y=A(:,[3]); x=A(:,[4,6]); for t=1:T

t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:); end

xconstant=ones(N*T,1); [nobs K]=size(x); info.lflag=0; info.model=0; info.fe=0;

results=sem_panel_FE(y,[xconstant x],W,T,info); vnames=strvcat('logcit','intercept','logp','logy'); prt_spnew(results,vnames,1)

18

% Print out effects estimates spat_model=0;

direct_indirect_effects_estimates(results,W,spat_model); panel_effects_sar(results,vnames,W);

2¡¢¿Õ¼ä¹Ì¶¨Ð§Ó¦£¨Spatial fixed effects£©

T=30; N=46; W=normw(W1); y=A(:,[3]); x=A(:,[4,6]); for t=1:T

t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:); end

xconstant=ones(N*T,1); [nobs K]=size(x); info.lflag=0; info.model=1; info.fe=0;

results=sem_panel_FE(y,x,W,T,info); vnames=strvcat('logcit','logp','logy'); prt_spnew(results,vnames,1) % Print out effects estimates spat_model=0;

direct_indirect_effects_estimates(results,W,spat_model); panel_effects_sar(results,vnames,W);

3¡¢Ê±µã¹Ì¶¨Ð§Ó¦£¨Time period fixed effects£©

T=30; N=46; W=normw(W1); y=A(:,[3]); x=A(:,[4,6]); for t=1:T

t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:); end

xconstant=ones(N*T,1); [nobs K]=size(x);

info.lflag=0; % required for exact results info.model=2;

info.fe=0; % Do not print intercept and fixed effects; use info.fe=1 to turn on

19

results=sem_panel_FE(y,x,W,T,info); vnames=strvcat('logcit','logp','logy'); prt_spnew(results,vnames,1) % Print out effects estimates spat_model=0;

direct_indirect_effects_estimates(results,W,spat_model); panel_effects_sar(results,vnames,W);

4¡¢Ë«¹Ì¶¨Ð§Ó¦£¨Spatial and time period fixed effects£©

T=30; N=46; W=normw(W1); y=A(:,[3]); x=A(:,[4,6]); for t=1:T

t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:); end

xconstant=ones(N*T,1); [nobs K]=size(x);

info.lflag=0; % required for exact results info.model=3;

info.fe=0; % Do not print intercept and fixed effects; use info.fe=1 to turn on

results=sem_panel_FE(y,x,W,T,info); vnames=strvcat('logcit','logp','logy'); prt_spnew(results,vnames,1) % Print out effects estimates spat_model=0;

direct_indirect_effects_estimates(results,W,spat_model); panel_effects_sar(results,vnames,W);

Îå¡¢¾²Ì¬Ãæ°åSDEMÄ£ÐÍ

1¡¢Î޹̶¨Ð§Ó¦£¨No fixed effects£©

T=30; N=46; W=normw(W1); y=A(:,[3]); x=A(:,[4,6]); for t=1:T

t1=(t-1)*N+1;t2=t*N;

20

wx(t1:t2,:)=W*x(t1:t2,:); end

xconstant=ones(N*T,1); [nobs K]=size(x); info.lflag=0; info.model=0; info.fe=0;

results=sem_panel_FE(y,[xconstant x wx],W,T,info);

vnames=strvcat('logcit','intercept','logp','logy','W*logp','W*logy'); prt_spnew(results,vnames,1) % Print out effects estimates spat_model=1;

direct_indirect_effects_estimates(results,W,spat_model); panel_effects_sdm(results,vnames,W);

2¡¢¿Õ¼ä¹Ì¶¨Ð§Ó¦£¨Spatial fixed effects£©

T=30; N=46; W=normw(W1); y=A(:,[3]); x=A(:,[4,6]); for t=1:T

t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:); end

xconstant=ones(N*T,1); [nobs K]=size(x);

info.lflag=0; % required for exact results info.model=1;

info.fe=0; % Do not print intercept and fixed effects; use info.fe=1 to turn on

results=sem_panel_FE(y,[x wx],W,T,info);

vnames=strvcat('logcit','logp','logy','W*logp','W*logy'); prt_spnew(results,vnames,1) % Print out effects estimates spat_model=1;

direct_indirect_effects_estimates(results,W,spat_model); panel_effects_sdm(results,vnames,W);

3¡¢Ê±µã¹Ì¶¨Ð§Ó¦£¨Time period fixed effects£©

T=30; N=46; W=normw(W1); y=A(:,[3]);

21

x=A(:,[4,6]); for t=1:T

t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:); end

xconstant=ones(N*T,1); [nobs K]=size(x);

info.lflag=0; % required for exact results info.model=2;

info.fe=0; % Do not print intercept and fixed effects; use info.fe=1 to turn on

% New routines to calculate effects estimates results=sem_panel_FE(y,[x wx],W,T,info);

vnames=strvcat('logcit','logp','logy','W*logp','W*logy'); % Print out coefficient estimates prt_spnew(results,vnames,1) % Print out effects estimates spat_model=1;

direct_indirect_effects_estimates(results,W,spat_model); panel_effects_sdm(results,vnames,W)

4¡¢Ë«¹Ì¶¨Ð§Ó¦£¨Spatial and time period fixed effects£©

T=30; N=46; W=normw(W1); y=A(:,[3]); x=A(:,[4,6]); for t=1:T

t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:); end

xconstant=ones(N*T,1); [nobs K]=size(x); info.bc=0;

info.lflag=0; % required for exact results info.model=3;

info.fe=0; % Do not print intercept and fixed effects; use info.fe=1 to turn on

results=sem_panel_FE(y,[x wx],W,T,info);

vnames=strvcat('logcit','logp','logy','W*logp','W*logy'); prt_spnew(results,vnames,1) % Print out effects estimates spat_model=1;

direct_indirect_effects_estimates(results,W,spat_model);

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panel_effects_sdm(results,vnames,W)

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